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. ADJUSTABLE FOR ALL DOG SIZES: With four different sizes (S, M, L, and XL), our AirTag collar fits dogs of all sizes. Make sure to measure your dog's neck before ordering to ensure the best fit. 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 MADE WITH PREMIUM MATERIALS: Our Air Tag dog collar is crafted from durable 1000D nylon, and includes a microfiber leather AirTag case. 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.)