Size - Different leash & nbsp; 5M, strong enough for small and medium dogs weighing up to 66 lbs. Durable - Made of ABS plastic housing, which is super strong and can even withstand the pressure of a car, the chrome hook for secure attachment to the collar. Smooth - Lead rolls smoothly in and out of the case without twisting or getting caught. Give your dog the freedom of movement under your control. Ergonomic handle - Ergonomic handle and non-slip silicone grip provide safer and easier control. Size: 5M & nbsp; | & nbsp; Color: Navy blue WARNING TIP: Please use the leash on your pets within the weight limits. Please be careful that the leash rebounds quickly in the unlocked state if there is no pulling force. Do not try to open the ABS plastic case or disassemble other parts, as the spring inside may cause unexpected injuries.