SANDWICH LINING & NYLON WOVEN FABRIC: Soft breathable Sandwich liner adds comfort; Nylon is durable which can fit for long-time use and provide heavy pulling strength. , 3M REFLECTIVE: Reflective integrated trim woven into this multi-function dog leash provides greater visibility and improved night safety even in the distance of 210m. , CORROSION-RESISTANT HARDWARE: Aluminum-alloy D-ring Leash attachment & Zinc-alloy D Hook, simple but fashionable. , 6 in 1 FUNCTIONS FOR ANY SITUATION - There are two D-ring buckle which can used together with the D-ring hook to adjust the length of the leash to get different needs. Including 3 leash lengths for Running, Walking, and Traffic Control and additional Hands-Free, Double Dog, and Tethering. , DIMENSIONS: All size has a 3.6 FT to 6.6 FT adjustable length, and the width are different. S Width: 0.6", M Width: 0.8"; L Width: 1".