Huskimo Dog Luminasafe USB Rechargeable LED Light Use on Collar, Har LED Dog Collar Light Up Flashing USB Rechargeable Pet Luminous Safety 2024 Dog Accessories Waterproof Pet Flashing Light up Dog Collar USB Sb2f3232e581147e8b73c866b727890ddk.jpg. The Touchdog 'Lumiglow' 2 in 1 USB Charging LED Lighting Water Resistant Dog Leash and Collar is composed of a high strength Nylon material with sporty pocketed mesh outer lining stitched into the collar. Features built in LED lights throughout the outer edged lining of both the Leash and the Collar with facilitated interval flash lighting or solid light settings controlled at the press of a button located separately on both the collar and the leash for complete night visibility and safety. Completely rechargeable via USB and no batteries are required to operate. Fully charges in less than 25 minutes for up to 6 hours of battery life per single charge. Furthermore both the LED light up dog collar and leash feature reflective embedded stitching for added night safety and protection. The leash handle is inner cushioned for added comfort. This LED light up dog collar and leash is available in multiple sizes and colors. Sizing Guide (INCHES) COLLAR AND LEASH DIMENSIONS: SMALL: LEASH LENGTH: 48" WIDTH: 0. 59" NECK GIRTH: 10. 63" 13" MEDIUM: LEASH LENGTH: 48" WIDTH: 0. 78" NECK GIRTH: 13. 78" 16. 53" LARGE: LEASH LENGTH: 48" WIDTH: 0. 98" NECK GIRTH: 17. 71" 21. 65"