Dual color interchangeable wrist bands for your Shearwater Teric dive computer. Choose Blue, Green, Pink, White, or Yellow to fit your personal style. Material is shore 70A silicone that has a good balance between strength and elasticity. Changing the strap requires a using a pair of hex key screwdrivers to remove and replace the two pins holding the two piece strap to the body. It's easy to switch, Shearwater includes in the Teric computer case a pair of the hex key screwdriver tools required to make the change.