Feature Made by high quality nylon, durable and waterproof. Fix on the helmet by the elastic rope. easy to use. Suit for MK2 Battery case, 2 colors can be choosen from. Specifications Type: Helmet Battery Pouch Material: Nylon Weight: 70g Color: Black; Tan Suit for: Fast Helmet Feature: Durable; Waterproof Package Include: 1 x Helmet Battery Pouch (Helmet and battary is not included)