Luxury Material: 0.2 mm only thick to protect you airpod and leather material to add elegance to it. Hook Deisgn: Metal Hook, firm and not falling off, can be easily buckled on the backpack, belt or anywhere. LED Light Hole: The hole on the front of the case lets you know when your device is in charging state. Ultimate Protection: Leather semi-hard shell with suede lining protects your Airpod against bumps and scratches. Compatible with Airpod 1 & 2 which not only provides all round protection but gives a luxury look to your gadget.