1. 3M reflector ensure good visibility at night. 2. Handle with soft mesh pad is comfortable for owner. 3. Stainless zink-alloy hook.Two dogs on one lead. 4. Wash label with size information can be wrote owner contact information,avoiding dogs'loss. 5. Size:Small(L:110cm W:1.5CM) Medium:(L:110cm W:2.0cm) Large(L:110cm W:2.5cm)