Material: 1000D Nylon fabric,scratch-resistant, not easy to fade, waterproof and durable;Dimensions: 3.7" W x 9.4" H( 9.4 x 23.9cm);The closure is rope. It fits bottles around 2-5/8" in diameter;Weight: 0.22lb ;The top drawstring top can be quickly adjusted with one hand,making you get quick-access to contents without having to take your back pack off.You can easily load it to your large package.Perfect for indoors and outdoors: Running, Camping, Hiking, Hunting, Cycling, School Supplies, Etc.