Cat Collar Adjustable High Toughness Nylon Pet Collar Anti-lost Device Protective Case for Airtag. Description: Owing to its tear-resistant, wear resistant, anti-scratch and waterproof advantages so that it can reduce the probability of losing or damaging the protective sleeve. The size of this pet collar is adjustable so that it would not restrain the pet neck, perfectly suitable for medium and large dogs. It is made of high quality nylon and diving material. There are 3 different sizes for you to choose from. This product is perfectly suitable for Airtag. Item Name: Pet Collar Material: Nylon,Diving Material Features: Waterproof, Anti-fade, Long Lasting Color: Black, Green, Cyanine, Orange Size Details: M: 40cm-45cm/15.75"-17.72" (Approx.) L: 45cm-50cm/17.72"-19.69" (Approx.) XL: 50cm-55cm/19.69"-21.65" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Pet Collar(Others Not Included)