Light Up LED Dog Collar Light up LED Dog Collar, Adjustable, USB Rechargeable, Great for Pet Safety. Different sizes available.   Our LED light up dog collars are one of the best ways you can keep your furry loved ones in sight in the dark Keep them safe by making your pet visible to you, any other dog walkers, or vehicles. USB re-chargeable, they provide long lasting durable wear. These collars are made with comfortable material for you pooch Whether your dog likes to be off the lead or on the lead, you can see them at all times with this LED collar which is available in a large variation of colors and sizes. Suitable for all dogs from a miniature dachshund to a great dane Material: Nylon Webbing, Double high LED Shine collar, High optical fiber This product is rainproof but cannot be soaked in water Power: USB rechargeable – Lithium Ion – USB cable (included) Collar Sizes available: XS / S / M / L / XL XS: Width 2cm, Length 30 ~ 37 cm., 8cm flexible range. S: Width 2.5cm, Length 35 ~ 43 cm., 8cm flexible range. M: Width 2.5cm, Length 40 ~ 48 cm., 8cm flexible range. L: Width 2.5cm, Length 45 ~ 52 cm., 8cm flexible range. XL: Width 2.5cm, Length 52 ~ 60 cm., 8cm flexible range .