The Camelbak Big Bite Valve Adapter Kit comprises a Big Bite Valve, cover and QL Hydrolock adapter. Can be used as a direct replacement for CamelBak products or as an upgraded military bite valve for other hydration units. Dimensions - fits all CamelBak Hydrock Valves and can be used with other hydration hoses measuring up to 1cm diameter. Sizing - L7cm by W3cm. Weighs - 40 grams. Colour - coyote tan.