1---KEEP YOUR DOG SAFE AND SECURE: The AirTag collar is specifically designed to keep your Apple AirTag securely in place, so you can easily track your furry friend wherever they go.2---ADJUSTABLE FOR ALL DOG SIZES: With four different sizes (S, M, L), our AirTag collar fits dogs of all sizes. Make sure to measure your dog's neck before ordering to ensure the best fit.3---STAY VISIBLE IN LOW-LIGHT CONDITIONS: Our AirTag dog collar features large and wide 360 reflective stitching and edges, making it easy to spot your dog at night or in low-light conditions. Keep yourself and your dog safe on evening walks!4---MADE WITH PREMIUM MATERIALS: Our Air Tag dog collar is crafted from durable 1000D nylon, and includes a microfiber leather AirTag case. Trust Tolopu to keep your AirTag safe and secure.5---EVERYTHING YOU NEED IN ONE PACKAGE: Our AirTag collar comes with a High-Quality, Lightweight Dog Collar, a 5-inch Loing Easy-Training Leash, a Pre-inserted strong-protective AirTag case, and an Easy-organized Breathable Bag. (Note: AirTag not included.)Features:Material: PolyesterWeight: 75g (1pcs)Colour: green, gold, black