The LED Dog Harness is one of the most popular items coming with a USB cable that can be recharged at any time. The LED lights are bright enough to be seen for safety. Our dog harness is made with mesh and nylon for comfort when they move. Easy to buckle and simple to put on and take off. Perfect for any nighttime activities . Choose from colors blue, red, orange, yellow, green, and pink and sizes XS to XL.