ABOUT THE COMPOSTABLE /BIODEGRADABLE MAILERThe Compostable Mailer is 100% fully degradable, the bubble made of corn starch raw material, smells with corn fragrant, without any chemical material, pure natural material, no harm to the human body,no pollution to the environment, usually the shelf life of biodegradable bag is 1 year. the bag begins to degradable in 6 months after compost or bury to the filed,and it will fully degradable in 12~18 months HOW CAN WE SOLVE YOUR CONCERNS Storage: To ensure maximum service life, prevent the rapid start of decomposition,products should be stored in a dark, dry place with normal temperature.Our all compostable products performed much better in the sense that they don't break at the bottom when carrying the corresponding heavy weight, and are equally waterproof. They are tear-resistant by stretching to distribute the weight over the whole bag, rather than in just one section. This makes them much more robust, especially for using in shipping various objects, packing products