Come and see our amazing products. This protective case is made os silicone and can be used on dog collars&pet loop holder, clipped to school bags and any items that fit its size, unlike the ordinary case, it's more suitable for your pets. When you take your pet to shopping, beach, mountain camping, travel, etc. You no longer have to worry about losing your pet. Of course, if the size of the schoolbag strap is appropriate, you can also put a airtag loop in a children's schoolbag or a parent's schoolbag to avoid accidental loss of the elderly. Pls confirm with us about the packing info, stock color and exact production time before placing your order.