Description: Designed for mounting your Action Cam on skiing, skateboarding, skydiving and snowboarding helmets, as well as skateboard decks and other flat or curved surfaces. Easily mount with waterproof case for use in wet or grimy environments, made of plastic. Easily slides in/out, but secures once locked in. Specification: Size:58x43x13mm/2.28x1.69x0.51inch Color:Yellow Meterial:Plastic Package Includes: 2 PiecexQuick Release Buckle Connection Mount