Weight: 0.144kg Size: 5.2*3cm Color: as shown in the picture High-quality materials: the dog collar is made of plastic. It is resistant to falling and biting, and will not harm the dog’s skin at all. Stainless steel hook Will not rust even if it touches water.Durable: Easily attach the light to your dog/cat’s collar, keychain and anything with a hook or snag.‘a zipper.Press the power button for normal use: Attach the light and durable Safe Light on your pet’s collar or use as a carabiner, keychain, for locating tent lines and camping gear at night or in low light; this brilliant LED safety light makes an ideal dog gift.