Durable MaterialThe dog collar is made of high-quality durable nylon material with neat stitching and soft padding to prevent chafing your dog's skin and hair, ensuring a comfortable fit. High VisibilityOrder with confidence and make sure your best friend is always visible to cyclists, passers-by, drivers and other traffic participants. Your dog is easy to find in the dark and stands out from other walkers, joggers, cyclists, motorists and more USB RechargeableThis LED dog collar adopts smart USB charging technology and Li-ion battery, the full charge time is 1 hour. The LED dog collar is waterproof and can withstand any weather conditions! Weatherproof, Durable and SturdyThe light tube of the led dog collar is durable and waterproof, suitable for all weather conditions, durable, waterproof and lightweight. Super bright LED lights keep your pets visible and safe. (Not suitable for extreme weather such as swimming or heavy rain.) Suitable for Any SizeEach size of the LED dog collar can be adjusted with the buckle. It also has a heavy duty D-ring for a perfect connection with our led dog leash. The total length is 70cm and can be cut freely.