Description: Key shell is made of durable TPU material, durable material for long time service. Use for protecting your key from scratches and impact, case size and button positions will match well, importantly it doesn't affect the signal transmission. Easy Installation: Direct replacement, no tool needed. This is a non-OEM product, accessory only! Fitment: for GMC Sierra 2014-2016, for GMC Sierra 1500 2014-2016, for GMC Sierra 2500HD 2014-2016, for GMC Sierra 3500HD 2014-2016, for GMC Sierra 2014-2018, for Chevrolet Silverado 2014-2018, for Silverado 1500 2014-2016, for Silverado 2500 2015, for Silverado 3500 2015, for Chevrolet Suburban 2014-2019, for Chevrolet Tahoe 2014-2019, for GMC Yukon 2015-2016, for Chevrolet Colorado 2015-2017. Installation Tips: Take out the key fob cover.Put your car remote key on the cover. The installation is finished. Note: Key shell only, no interior electronics inside. Only fit for keyless entry remote, please check the size and shape carefully before purchasing to ensure you get the right key shell. Package Included: 1 x Key Fob Cover, 1 x Keychain.