Narrow design This product is specially designed for small pets-cats and dogs. This protective cover fits the smaller pet collars better. You no longer have to worry about the shaking of the airtag because your pet is too small.You can measure the width of your pet collar by yourself, and then choose the suitable style according to the size chart we provide Anti-lost Only the protective cover fits your pet collar more closely so that it wont shake during use.To avoid accidental loss of your loves, this air tag cover could be stably attached your pets'collars, and simultaneously Air Tag is also protected by the holder, from being falling out. Simple Use Good Fit Just need to put collar or straps through our air tag holder without locking or unlocking carabiners/keychain.Also easily be attatched to the strap of your backpack.The silicone sleeve is very malleable and can fit your objects better Comfortable The air tag holder is made of soft silicone, which is washable, portable and lightweight, no heavy burden is given to the pets. Perfect for Airtags We have test so many times, This durable holder fits your Air Tag impeccably, without applying any negative influence on the signal funtion of airtags.If you have any questions or suggestions for the product, please communicate with us in time, we will reply you as soon as possible