Compatible with Apple AirTags 2021, the protective AirTag case will not affect the signal transmission at all. The surface is made of smooth, scratch-resistant leather and the interior is made of soft microfiber, which effectively protects the AirTag from accidental drops, collisions and impacts. The key chain attachment on this case makes it easy to attach with your car keys or any personal bag you may carry. Specifications: Product size: 4.2x 8.7x 0.8cm/ 1.65"x3.43"x0.31" Weight: 0.43oz Feature: anti-fall, Shockproof Material: PU leather Packing: OPP BAG