Designed for Apple AirrTagg, girth adjustable from 8 inch to 13 inch, comes with an elastic airrtagg silicone case, which can well protect your airrtagg device and prevent airrtagg from falling off or dangling, it can freely break free and the sturdy detachable safety release buckle can be unlocked with a certain amount of force, to protect pet not hurt. Strap width 1 cm, price for full colors printed on straps.