Fashion Shop Pet Cat Dog Nylon Camouflage LED Flashing Safety Collar (S, Pink) Material: LED Electronics + ABS +Nylon + TPU (Thermoplastic Polyurethanes) Adjustable buckle and hand grip webbing make the collar durable and comfortable for your loved pets. Suitable for small, medium and large dogs. Shinning in the dark makes your lovely pet very unique. 3 modes: Steady, Fast Flashing, and Slow Flashing (you can change the models through the ON/OFF Button)