Sep. 01, 2025
Construction & Real Estate
Faced with the myriad of trash bags on the market, selecting practical and safe ones has become a challenge for many consumers. The aim of this article is to provide a comprehensive guide to choosing bin bags.
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How many types of garbage bags are there? The top of the garbage bags can be flat, vest or drawstring, while the bottom can be flat or folded. We will set aside these styles and classify them solely based on the raw materials used in the garbage bags. Garbage bags are classified into two main types: ordinary plastic garbage bags and degradable garbage bags.
When purchasing trash bags, price is often the first factor consumers consider. However, an excessively low price often comes at the cost of quality. Based on shared experiences, the price of a high-quality 4-gallon trash bag should be around $0.15, and a 30-gallon trash bag should cost around $0.3. Although the unit price of garbage bags is affected by factors such as order quantity, size, thickness, and printing patterns, products priced significantly below this range are likely to be of substandard quality. These low-quality trash bags are prone to tearing, which is inconvenient to use and can lead to waste spillage, making cleaning difficult.
The thickness of a trash bag is a key indicator of its durability. Generally, 1 mil (0. mm) is the most common thickness for standard trash bags. However, for greater reliability, it is recommended to choose bags with a thickness of at least 3 mil, preferably 4 mil or 6 mil for heavy-duty or contractor use. These thicker contractor bags are more robust and less likely to tear or puncture when handling sharp objects.
The trash bag should be slightly taller than the trash can to allow folding over the rim. If your kitchen trash can holds 13 gallons, a 13-gallon bag (standard) or a 16-gallon bag (for extra overhang) would work.
To better understand size selection, here are common garbage bag specifications and their applications:
Small trash bags: 4-8 gallon trash bags. Ideal for small bins in bathrooms, offices and bedrooms.
Medium-sized trash bags: 10-13 gallon trash bags. The most versatile size for household use.
Large trash bags: 20-30 gallon trash bags. Suitable for Large kitchen bins, outdoor garbage cans.
There is a large number of non-compliant (no brand, no production license, no quality certification) trash bags on the market. These products often have unstable quality and may even contain harmful substances. When purchasing, opt for products with brands and production license information to avoid pitfalls. Additionally, colored trash bags are more conducive to garbage classification.
Red & Yellow Trash Bags: Harmful substances or medical waste.
Blue Trash Bags: Recyclable and reusable waste, such as plastic and paper.
Green Trash Bags: Organic or biodegradable waste, such as food scraps and fallen leaves.
The use of these colors helps enhance environmental awareness and the correct way to handle garbage.
To ensure the purchase of reliable-quality trash bags, it is recommended to source products through verified channels such as major retailers Walmart and Amazon.com, or search for authorized wholesalers via Google. When shopping online, use specific search terms like “1 mil trash bags” or “heavy-duty plastic trash bags”. Always verify the product’s compliance with national standards and look for quality certifications in the product descriptions.
In many regions, governments have begun banning non-degradable plastic bags. Consequently, an increasing number of consumers are switching to compostable alternatives for their daily needs. (Click here to learn about: Bulk order compostable bags)
To ensure compostable garbage bags are truly compostable, you need to consider several key factors beyond the standard parameters (like thickness, durability, and size) used for regular garbage bags.
Certified Compostable Trash Bags: Compostable Trash bags have been rigorously tested and meet specific standards for biodegrading in a composting environment. Look for certifications that guarantee they will break down into compost, leaving no harmful residues. They are designed to be broken down in a home compost pile or a commercial composting facility.
Key Certifications to Look For:
A compostable bag should clearly display the certification logo. Look for terms like “compostable,” “certified compostable,” and the specific certification logo (e.g., BPI logo). Don’t rely on vague claims like “eco-friendly” or “environmentally friendly” alone. Always look for a recognized certification logo.
The type of bag you need depends on how you compost.
Yes, when used correctly, compostable bags significantly reduce landfill waste and contribute to soil health, unlike traditional plastic bags.
Yes, the bags are designed for composting food scraps and other compostable materials. Be sure to check with the bag’s guidelines.
Be cautious! Biodegradable bags break down over time, but the term “biodegradable” does not automatically imply “compostable.” In fact, these bags may fragment into microplastics or degrade in ways that offer no soil benefits. The label “biodegradable” is broad and vague. It does not guarantee that the bag will fully decompose into nutrient-rich compost. Some biodegradable bags rely on chemical additives to facilitate degradation, which can leave behind harmful residues. Additionally, many manufacturers use traditional plastics blended with additives intended to speed up breakdown. Consequently, consumers should exercise extreme caution. These bags are rarely suitable for composting, and using them risks contaminating home compost piles or municipal composting programs.
PLA (Polylactic Acid): Derived from plant-based sources like corn starch or sugarcane. PLA offers good strength and clarity, making it a popular choice. PLA is a Renewable resource and is often transparent or translucent. However, it may require higher temperatures for complete breakdown, especially in backyard composting systems.
PBAT (Polybutylene Adipate Terephthalate): A biodegradable polymer often used in conjunction with PLA. More flexible and degradable than PLA. But sometimes feel less sturdy than PLA bags.
Other plant-based and biodegradable materials: You might encounter compostable trash bags made from other plant-based starches or blends. These vary depending on the specific material. While certified compostable trash bags are designed to break down, their breakdown time can vary. They may take longer in a backyard composting system and may need to be cut or torn to help them break down efficiently.
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Although garbage bags are small items, they are crucial for maintaining a clean and healthy environment. When purchasing trash bags, we should comprehensively consider factors such as price, quality, thickness, brand, and usage scenarios to avoid pitfalls and select the right styles. Whether choosing ordinary trash bags or compostable trash bags, it is essential to buy from formal channels and select reliable-quality products. Only in this way can we use them with greater peace of mind and confidence.
BioBag is a trailblazer in the biodegradable plastics industry, founded with one goal—help the planet breathe easier. Their mission is all about replacing polyethylene-based plastics with compostable alternatives made from renewable resources. As a brand, BioBag believes convenience shouldn’t come at the cost of the Earth, and they work hard to make composting a mainstream habit.
BioBag’s manufacturing processes are driven by transparency and trust. Their products are made from Mater-Bi®, a compostable resin derived from corn starch and other renewable crops. Most of their products are certified compostable by BPI and TÜV Austria, making them fully compliant with ASTM D and EN standards. Even their packaging is minimal and plastic-free, keeping waste low from start to finish.
BioBag trash bags are truly biodegradable in both industrial and home composting environments. Unlike “oxo-degradable” bags, BioBag products break down completely without leaving microplastics behind. Their lineup includes food waste bags, yard waste liners, and pet waste bags—each designed to help households and businesses reduce their carbon footprint while managing organic waste cleanly and efficiently.
With decades of compostable innovation and global certifications backing their products, BioBag is a reliable ally for eco-conscious consumers. Their commitment to non-toxic, renewable, and ethically sourced materials makes them a solid choice if you’re looking to ditch traditional plastics for something truly green.
UNNI, a San Francisco company, is laser-focused on creating compostable alternatives to traditional plastics, with the mission to reduce pollution and encourage sustainable living. UNNI believes that every household can make an impact, and they’re here to make that choice easier with bags that are kind to the planet.
UNNI’s biodegradable trash bags are crafted from plant starches and are 100% certified compostable. They meet strict standards like ASTM D, EN , and are certified by BPI (Biodegradable Products Institute) and OK Compost Home by TÜV Austria. This means their products break down naturally in both home and industrial composting environments—leaving zero toxic residue behind. Plus, their production facilities follow eco-friendly processes that limit emissions and waste.
UNNI’s biodegradable trash bags are more than just plastic-free—they’re a complete rethink of what a trash bag can be. They offer a wide range of sizes, from food scrap liners to large compostable bin bags, all designed to handle everyday use without compromising performance. Unlike “greenwashed” alternatives, these bags don’t just degrade—they actually compost, helping return organic matter back to the soil.
Absolutely. UNNI backs up their mission with third-party certifications, high-performance products, and a consistent track record of sustainability. For eco-conscious shoppers who want functionality and planet-friendly packaging, UNNI is a dependable go-to.
Stout is a go-to name for heavy-duty waste solutions that don’t compromise the planet. While they may not be a household eco-brand, they’ve carved a niche in the commercial and municipal waste sector with compostable products that meet rigorous standards. Backed by parent company Heritage Bag, Stout’s mission revolves around practical sustainability—offering reliable alternatives to petroleum-based plastics in high-demand environments.
Stout’s Envirosense® compostable trash bags are manufactured with sustainability front and center. These bags are made from plant-based biopolymers and are fully BPI-certified compostable, complying with ASTM D standards. Their products are designed to break down in commercial composting systems, leaving behind zero toxic residue. Stout focuses on large-scale waste diversion, supporting LEED-certified building initiatives and green waste programs across North America.
Stout’s biodegradable trash bags are all about performance without pollution. Designed for both residential use and bulk commercial needs, their bags are durable, tear-resistant, and break down naturally under composting conditions. These aren’t your average flimsy “eco” bags—Stout builds theirs to handle real waste, making them ideal for food services, schools, and green-certified businesses aiming to meet local composting laws.
Definitely—especially if you’re managing large volumes of organic waste. Stout’s bags may fly under the consumer radar, but they’re trusted by cities and businesses aiming for zero-waste operations. If you’re looking for certified compostable strength in bulk, Stout delivers with sustainability and scale.
Duro is a heritage packaging brand with a strong presence in the paper bag manufacturing world, and they’ve been in the game for decades. While not exclusively a “green brand,” Duro has taken significant steps toward sustainable innovation by prioritizing recyclable and compostable paper products. With a focus on functionality and scalability, Duro bridges the gap between traditional packaging and responsible alternatives.
Duro’s manufacturing process centers on using responsibly sourced kraft paper, much of which contains post-consumer recycled content. Their paper bags are fully recyclable, compostable, and often meet SFI (Sustainable Forestry Initiative) standards for sustainable wood sourcing. Unlike plastic alternatives, Duro bags are free from toxins and microplastics, and their U.S.-based production reduces transportation emissions. The company has also worked to improve energy efficiency and waste reduction in its manufacturing facilities.
Duro’s trash bags and commercial liners—yes, they make paper-based trash solutions too—are designed for eco-conscious businesses and municipalities that want to cut plastic out of their waste stream. Their products are plastic-free, biodegradable, and hold up well for dry waste and compost collection. While they’re not ideal for wet or greasy contents, they’re a perfect low-impact solution for general household or retail use.
If you’re looking for a reliable alternative to plastic trash liners, especially for light-duty or compost-friendly waste, Duro is a solid bet. With a long-standing reputation, eco-forward material sourcing, and recyclable packaging, they’re helping bring paper back into the sustainability spotlight—where it belongs.
Doggy Do Good is more than just a clever name—it’s a mission. This family-owned brand is built around a simple yet powerful goal: make pet care more sustainable. From the very beginning, their core values have centered on animal welfare, environmental responsibility, and giving back to the planet. Every purchase supports rescue shelters and tree-planting initiatives, making them a standout in the pet waste category.
Doggy Do Good sets a high bar for eco-ethical manufacturing. Their pet waste bags are made from plant-based resins, including corn starch and other renewable crops. Certified OK Compost Home and ASTM D, these bags are safe for both home and industrial composting. Plus, their packaging is 100% recycled and recyclable, and the entire supply chain emphasizes cruelty-free, toxin-free, and plastic-free production. The brand even offsets its carbon footprint with climate-positive practices.
Unlike many “eco-friendly” pet bags that quietly contain plastic, Doggy Do Good’s bags fully break down without leaving behind microplastics. They’re thick, leak-proof, and unscented—proving that you can handle pet waste without harming the planet. And they don’t stop at poop bags—they also offer compostable wipes and bamboo grooming products that align with their zero-waste vision.
Absolutely. Doggy Do Good walks the talk—literally. With compostable materials, charitable giving, and low-impact packaging, they’re the perfect pick for eco-conscious pet parents. Supporting them means making your dog’s daily business part of a bigger environmental mission.
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