... key ringMaterialenvironmentally friendly/ Soft pvc / also can be rubber/silicone/metal (Can be iron, alloy, stainless steel, titanium, ... including Soft PVC: key chain, fridge magnet, luggage tag, photo frame, phone strap, key cap; Silicone: coaster ,wristband, mobile ... stand, USB cover, dog tag; Metal: badge, coins, opener, lapel pin, key chain, cufflink, ...