It is happy to now make own line of biodegradable and compostable bags which are comparable to BioBags. Made from a mixture of synthetic and starch-based plastics these bags are now BPI Certified. The compostable bags are also printed with soy-based ink.Currently all compostable trash bags in the market are made from a mixture of synthetic and starch based plastics. The synthetic content usually ranges from 55% to 100%. The synthetic polymer content is necessary to give the bag its elasticity stretchability and strength.Other products from HerbsPro