[DESIGNED FOR APPLE AIRTAG] Our reflective airtag dog collar is specially designed for Apple AirTag 2021, No need to buy an additional air tag holder for a dog collar. This pet collar for apple airtag can prevent your dog from chewing up the air tag or shaking, which makes your pets feel more at ease when running and won't leave any room for your dog to chew. [4 SIZES AVAILABLE] The airtag pet collar with Airtag holder is available in 4 sizes.Adjustable airbag collar for all dog breends from Small, Medium, to Large dogs.(XS=26-32cmS=32-38cmM=38-43cmL=41-52cm) NOTE: Please measure your dog's neck before ordering. Perfect for most breeds like Corgi, Teddy, Labrador, Yorkshire Terrier, Doberman, Pomeranian, Papillon, Poodle, Husky, Golden Retriever, etc. [PREMIUM QUALITY] Our air tag dog collar holder is made of 1000D nylon which is wear-resistant and breathable. TPU air tag holder will ensure your air tags protection. A sturdy quick release buckle and heavy-duty metal clip ring prevent the collar from accidentally opening. [360REFLECTIVE DESIGN] This dog collar with airtag holder has 2 high reflective straps, which can enhance your dog's visibility in a variety of low light conditions. This reflective air tag dog collar allows your dog to be safely tracked at night during walking hiking and camping. (The airtag device is NOT INCLUDED)