This "smoke pouch" is constructed of 1000D NyTaneon. It has a top flap to secure the grenade with a hook & loop and snap combination. A pull tab has been added for a positive grip when opening. It's attached to the belt or harness by BTS or Alice clips. Has a spoon pouch to prevent grenade rotation. Dimensions - 2 1/4" x 2 1/4" x 4 1/4"