[Biodegradable Material Made] Corn starch through fermentation & plasticization become PSM starch material, non-toxic and safe, our biodegradable trash bags are mostly made by PSM starch material, which can be decomposed is good for the environment | [Reduce White Pollution] Our trash bags can be biodegradable, which means each unit you use can help to reduce white pollution that other plastic trash bags can not. We have used a lot in our daily life, kicthen, bathroom, sitting room, baby's diaper, car, waster basket etc. The more we use, the more help we do | [Tear & Leak Resistant] Our trash bags can load 15-20 liter, 8 angle sealing on the botton help to avoid from leaks, excellent tensile strength help to avoid from tears or rips. We ensure that you can carry without worry dirty water leak or trash fall off | [Perfect Fit 4 Gallon ] 4-6 gallon design, 19.7 inch *23.6 inch, oversized design to cover 4-5 gallon small trash cans. It is plus sized so good to tie up while keep your hands clean and away from durty waste, even when filled too fully! | [100% Satisfied Guarantee] We try best to offer 100% satisfied customer service. Full refund will place if you don't like our biodegradable trash bags in 30 days! Pls let us know whatever you think about it!