They are eco-friendly self-adhesive reusable kraft paper bags. This type of bag is made of brown kraft paper and can be used multiple times. They are named self-adhesive because they have a tape on the back that allows you to seal the bag. Self-adhesive reusable kraft paper bags are commonly used for packing and shipping items. The fact that it is a waterproof bag makes it perfect for packing items that need to be shipped.
