Bulk Value Pack — 13 gallon / 49.2 liter (23.75 in x 31.49 in, 0.9 mil); 4 rolls x 50 bags (200 total). Great for families, offices, or high-volume use. Reinforced 0.9 Mil — Handles daily kitchen peels and scraps, helping keep tall bins tidy. Certified Compostable — Independently certified by BPI (U.S., to ASTM D6400), CMA (field-tested in operating facilities), and OK compost HOME by TÜV AUSTRIA (home/backyard). Made with Plant-Based Materials — Helps reduce reliance on conventional plastics; suitable for kitchens, bathrooms, and offices. Usage & Storage — Store in a cool, dry place; use within 9 months for best performance. Note: Commercial composting may not be available in all areas—check local availability. Built for daily food-scrap collection in tall kitchen cans. These 13 gallon / 49.2 liter, 0.9 mil liners load easily and separate cleanly, helping keep your compost bin tidy and your routine simple. Trusted certifications. Certified by BPI, CMA, and OK compost HOME; meets the ASTM D6400 standard for proven compostability in home and industrial systems. Pro tips for best results. For wetter scraps (juicer pulp, melon rinds, saucy leftovers), line the bin with paper, avoid storing liquids, and replace bags regularly. About UNNI (San Francisco). We design practical, certified compostable solutions that make everyday sorting easier and help reduce reliance on conventional plastics—Together, U 'N' I make Earth a better place!