Smell Proof Technology: Made of 600D polyester and lined with activated carbon and filtering non-woven fabric | Keep out of Trouble: Keep your item clean smelling, easy to transport anything that have a smell | Perfect Gift: The 5x4 inch odor proof bag is suitable for your wallet or pocket, compact and light enough for easy travel | Pocket Sized: This smell proof bag with wrist strapis just what you need for great storage | FIREDOG Service: Enjoy a worry-free experience with FIREDOG's 18-month protection period for our smell proof bag