The Tote Sack by Kahtoola. Kahtoola's Tote Sack is made of durable PVC-backed polyester with a breathable mesh bottom. It holds Kahtoola's KTS, a 1-quart water bottle, or Items such as camera, film, cell phone, GPS unit. It also Features a draw-cord and cord-lock for easy, secure closure, as well as a loop for attaching to your waist belt or backpack. Final SALE: For safety reasons, we cannot accept returns on load-bearing Climbing equipment. Sorry for being so mean. Specifications of the Tote Sack by Kahtoola Weight per pair: 106 grams / 3.7 oz Material: PVC-backed polyester with breathable mesh