Product Material: nylon Color: black, pink, orange S: width 2.5 cm, short 35 cm, length 43 cm, telescope area 8 cm M: width 2.5 cm, short 40 cm, length 48 cm, telescope area 8 cm L: width 2.5 cm, short 45 cm, length 52 cm, telescope area 8 cm Package Contents: 1 * LED pet light collar 1. Dog light collar with LED lighting Dog light collar is made of sturdy nylon and LED lighting, dogs are easy to see in the dark and protect them. This led collar can provide visibility up to 500 meters. This led collar is very necessary for dogs or cats. 2. Illuminated collar with 3 LED modes Easy to adjust by pressing the button and freely switch between the three modes: fast flashing, slow flashing, quiet lighting and switch-off. 3. USB Rechargeable Dog Collar Luminous Equipped with a rechargeable 250 mAh battery, additional devices such as tablets and phone chargers can be connected for charging. It can take more than 6 hours to blink steadily on a single charge. No need to replace batteries and no additional costs. 4. Luminous dog collar with adjustable size Easy to carry with a quick release buckle and the length is adjustable. Please measure your dogs neck circumference with a soft tape measure to choose the right size. Always allow your dog enough air to breathe. 5. Durable waterproof luminous collar dog Light and strong nylon band, extremely robust. The LED lighting pet collar is water-repellent and mold-resistant. Note: Please close the rubber stopper after charging, otherwise it will not be waterproof.