Multi-function Large Capacity Canvas Travel Backpack 02# Material:16 oz Material Canvas. Lining: Polyester Cotton. Measurements:Size(L*W*H):11*11*16.75IN. Weight:0.75KG. Volume:26L. Multiple use:1 backpack. 2.travel bag. 3.Multi use handbag Convenient use: internal computer compartment can accommodate 15 inch Laptop computer, open the main zipper bag fast After - Sales Service: we have confidence in our products from the quality of our products, which we provide perfect after-sales service