Olive Drab 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"