Looking for reliable compostable bags that fit a kitchen caddy or countertop bin? This guide highlights five top picks that balance strength, size, and certified compostability. Ideal for everyday kitchen scraps, these liners help keep bins clean and support home and commercial composting workflows. The best options vary by bin size, handling needs, and certification, so you can choose confidently based on your waste habits and bin compatibility.
| Product | Bin Size Fit | Certification | Best For |
|---|---|---|---|
| Generation Earth 1.6 Gallon | 1.6 gallons (6 L) | BPI Certified | Small countertop bins, daily scraps |
| UNNI 3 Gallon | 3 gallons | BPI, CMA & OK compost HOME | Balanced daily use, larger small bins |
| SUPERBIO 1.6 Gallon | 1.6 gallons (6 L) | BPI & OK compost HOME | Solid everyday waste, tie-handle convenience |
| GreFusion 1.2 Gallon | 1.2 gallons | BPI, OK compost HOME | Very small bins or tight spaces |
| BioBag 2.6 Gallon | 2.6 gallons | CMA, BPI | Medium-large kitchen bins |
Note: All products listed are designed to decompose in certified composting environments and are intended for kitchen waste, food scraps, and similar organic matter. Consider bin size, environmental goals, and storage when selecting a pack size and certification standard.
Generation Earth 1.6 Gallon Tie-Handle Bags

Best for small countertop bins that require secure, easy-seal bags. Tie handles simplify carrying from the bin to a larger composting system, reducing spills. The bag is BPI certified and made from plant-based materials designed for commercial composting environments. Ideal for daily kitchen waste and organic scraps in 1.6 gallon bins. Caution: storage away from heat recommended to preserve integrity before use.
UNNI 3 Gallon Compost Bags for Countertop Bin

Best for households with larger small bins or moderate daily scrap output. Each roll contains 100 bags at 3 gallons, designed to fit compact kitchen bins while maintaining clean lines and easy removal. Certified by BPI, CMA, and OK compost HOME, meeting ASTM D6400. Choose this if you want a balance between bag thickness and fit for a mid-size countertop bin. Limitation: may be larger than needed for very small caddies.
SUPERBIO 1.6 Gallon Tie-Handle Bags

Best for heavy daily use with convenient handle ties. The 1.6 gallon size (6 L), 50 bags per roll, and tie handles support mess-free handling from bin to composting stream. Certifications include BPI and OK compost HOME, aligning with ASTM D6400 and EN 13432. Storage tips: keep in a cool, dry place to maximize shelf life. Caution: the label notes a shelf life of about one year; replace bags as needed to ensure performance.
GreFusion 1.2 Gallon Compostable Bags

Best for very small bins or tight spaces where a compact bag is essential. The GreFusion liners fit bins designed for 0.75–1.6 gallons and base on BPI and OK compost HOME certifications, with a size of 15.7 inches by 15 inches. Choose this if you need a liner that fits a narrow footprint without sacrificing compostability. Limitation: bulkier options may be more cost-effective for higher volume waste streams.
BioBag 2.6 Gallon Compostable Bags

Best for medium-large kitchen bins needing durable liners. The 2.6 gallon size provides more capacity for heavier scraps, with 100 bags per roll. Certified by CMA and BPI, compatible with home and backyard composting facilities. The bags are made in the USA with resin sourced from Italy. Use this if you want a reliable balance of volume and compostability. Caution: ensure your bin opening can accommodate the 2.6 gallon bag’s dimensions.
Buying Guide: How To Choose The Right Compostable Bags For Your Kitchen Caddy
- What bin size do you use? Match bag capacity to your bin to minimize bag changes and reduce waste.
- Which certifications matter to you? BPI certifies compostability in the U.S.; OK compost HOME covers home backyard composting; CMA lists facility approvals. Choose based on where you plan to compost.
- How strong should the bag be? Thicker bags are better for heavy or long life use; tie handles reduce spills when transferring scraps.
- Storage and shelf life considerations? Some brands advise storage in cool, dry places and note approximate shelf life; plan purchases accordingly.
- Are there any bin-fit limitations? Some bags fit very small bins, while others fit mid-size and larger countertop bins. Measure your bin diameter and height to ensure a proper fit.
FAQ
- Do these bags work for backyard composting? Some are certified for OK compost HOME, which supports home composting. Verify your local composting facility’s acceptance.
- Can I reuse the bags? Compostable bags are designed for one-time use and disposal in a composting stream; reuse is not recommended.
- Are these bags leak-proof? Most liners are designed to contain scraps without leaking; check product specs for thickness and bottom-seam design.
- Will they fit non-standard bins? Always check the stated gallon size and bin diameter/height compatibility before purchase.
- How should I store them? Keep in a cool, dry place away from direct heat to preserve material integrity.
- Are there eco-friendly packaging options? Some brands offer Frustration-Free Packaging or recyclable packaging aligned with sustainability goals.