The silicone cover is just like a glove and make the remotes comfy.And it is easy to clean wipe off.Please make sure your key fob matches the picture before purchase.Please keep the original chip,and put the original chip in our case.Please look for the part numbers from your orignal remote to confirm compatibility.Please look for the part numbers from your orignal remote to confirm compatibility.Good protection for your expensive remotes. Highly recommend picking them up from the get to keep your key fob from deteriorating.Compatible with HYQ1EA HYQ1AA 13584512.The item contains 1 cover and 1 shell ,not come with an electronic circuit board, transponder chip or battery.Only with an uncut blank key.