Specifications:Anti-slip design, useful and practical.Suitable for Apple laptop MacBook Pro A1278 A1286 A1297.How to Use:Remove the bottom case and wipe the dropped stitch with a dry cloth to wipe off the dust, but do not get wet.Heat the dropped stitch with a hair dryer, when it hotted, stick on the rubber foot directly.Press until it is cooling, then turn over the bottom case, toast the cylinder with a lighter, after it dissolves, press it quickly to let it stuck in the bottom case.Type: Foot Pad for MacBookMaterial: RubberColor: BlackShape: RoundCompatible Model: for MacBook Pro A1278 A1286 A1297 13" 15" 17"Features: Useful, Unibody Bottom Case, Non-slip MatNote: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Package Includes:4 x Foot Pad for MacBook (Laptop Not Included)