Touchdog ®'Lumiglow' 2-in-1 USB Charging LED Lighting Water-Resistant Dog Leash and CollarThe 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