Environmental non-toxic, wear-resistant,waterproof. Main material is sturdy waxed canvas, Shoulder Strap head and tail is cow leather, Lining is sturdy cotton, High-grade hardware accessories and zipper. The back of the bag is made of washed cotton canvas, which is closer to our body, reducing friction and making it more comfortable to use. 14.5(L)* 2.3(W)* 10.3(H)inches. 1.54 pounds/0.7kg. Adjust Strap: 20.7-37.5 inches/ 53-95 cm, Please make sure the size of the bag meets your requirements before buying. Made of a lightweight, Sturdy material. Room for camera, tablet .