The Rescue LED Animal collar is rechargeable, adjustable and comfortable animal collar: The collar is made from high-quality nylon and polyester materials, making it lightweight, durable and highly visible. Whether your pet is a dog, cat, or a mix of both, this collar is suitable for them. The LED lights on the collar are rechargeable and feature reflective materials, making it not only highly visible but also practical for nighttime walks, animal location and animal safety. The collar has a built-in adjust function for added convenience, allowing you to easily customize the size to fit your pet's neck. The collar comes in three sized M, L and XL.