stardrift LED Dog Collars Glowing Safety Pet Necklace USB Rechargeable Cuttable One Size Fits All Pet Waterproof (pink) Cuttable One size fits all:Collar measures 70cm,can be cut to any length as you want to fit your pet Perfectly 3 Light Settings:Slow flash, quick flash and steady glow (just press one button to switch) Rechargeable with micro usb to usb cable,quick charging. Made of Waterproof nontoxic silicon gel,work for all conditions Collar of great idea for dogs/pet for short periods of use when you want to know exactly where it is and keep it safe in dark night