Brand new and high quality. Made of rubber material, the foot pad is durable and wear-resistant.It can be easily install on the bottom of the laptop for anti-slip.Convenient and practical, for Air 11 inch 13 inch 2010-2017 years A1370 A1369 A1465 A1466.How to use:Remove the bottom case and wipe the dropped with a dry cloth to remove the dust, but not wet.Heat the dropped with a blow dryer, when it is hotted, stick on the rubber foot directly.On until it is cooling, then tighten the bottom case, toast the cylinder with a lighter, after dissolving, quickly press to let it stuck in the bottom case.Specifications:Type: Laptop Feet PadCompatible Model: for Air A1370 A1369 A1465 A1466Features: Anti-slip, Durable, Easy Installation, Material: rubbercolour: blackPackage Contents:4 x Bottom Base Rubber Feet Foot PadOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.