Black Modular 1 Quart Canteen Cover. Constructed Of Rugged Tactical Polyester. Includes: Modular Compatible. Quick-Release Buckle. Internal Drawstring With Cord Lock. Two Side Pouches With Velcro Closure For Water Purification Tablets. Grommet Hole. Size: 6 1/2" X 5 1/2" X 3 1/2"