Black Butterfly Bohemian Backpack

Fabric backpack is made of durable polyester with nylon strap,resin zipper,smooth sturdy polyester fabric lining. Internal Volume Size:10.1"(L)x 10.1"(H) x3"(W), External dimensions: 10.2"(L)x15.7"(H)x3.1"(W).Canvas strap adjustable range:23.6''-29.3'' Inside: Secure zipper, cell phone bag, card bag. Back: Zipper pocket quick access to phone, wallet and other items. The length of shoulder strap can be adjusted freely.It is a fashion backpacks but also a chest backpack.