Specification Brand : Btopars BulletPoint1 : Before you order this item,pls check the second picture is same with your key,or it can not fit for your key!!! This item is just a key cover,not a KEY FOB,pls notice that. BulletPoint2 : Compatible with (Reference Only):2017-2021 GMC Acadia,2018-2021 GMC Terrain 4 buttons key fob.Compatible with Part Number for reference:13584512,HYQ1AA BulletPoint3 : This cover is a full covered protector,fit for your key like a glove.Protect your key very well,keep your key fob from damage, marks, and dust.Pls noticed that,it will NOT ALLOW you to USE the valet key if you don't pull off the cover. BulletPoint4 : Key signal will not be affected,pls don't worry. BulletPoint5 : Item is made of high quality silicone.Excellent touch feeling and stylish, buttons still have great feeling and work the same. ButtonQuantity : 4 Color : Black Pink CompatibleWithVehicleType : Car Department : unisex-adult ExternallyAssignedProductIdentifier1 : 782896097202 ExternallyAssignedProductIdentifier2 : 0782896097202 FitType : BOAT IGNITION GpsrSafetyAttestation : 1 ImportDesignation : Made in USA and Imported IncludedComponents : 1 x Keychain ItemName : Btopars 2pcs 4 Buttons Silicone Rubber Remote Smart Key Fob Keyless Case Cover Protector Holder Compatible with GMC Acadia Terrain 2018 2019 2020 2021 Black Pink ItemPackageDimensions_Height : 14.2 centimeters ItemPackageDimensions_Length : 1.3 centimeters ItemPackageDimensions_Width : 9.5 centimeters ItemPackageQuantity : 1 ItemShape : Logo,Rectangular ItemTypeKeyword : automotive-key-chains Manufacturer : Btopars Material : Silicone ModelName : Keychain ModelNumber : si71blackpink NumberOfItems : 1 NumberOfPieces : 1 PartNumber : si71blackpink ProductDescription : Material:High Quality Silicone. Fit for: 2017-2021 GMC Acadia,2018-2021 GMC Terrain 4 buttons key fob (Pls check your key is same with our second picture before you order this cover.) Package included: 2pcs key cover