The box measures 19 x 20cm and each leash can be extended up to 3m in length, giving you maximum freedom of control. This double leash takes the stress and hassle out of walking two dogs at the same time. Running with two dogs without having to manage two separate leashes also gives your dog maximum freedom under your control. MATERIALS: The case is made of sturdy ABS material, double-stitched nylon tape for the straps, and steel hooks. Inside is a heavy-duty coil-spring release mechanism for consistent, repeatable release and retraction. Cure: This double-ended retractable dog leash allows you to control two dogs at the same time. This dog collar weighs less than 15 kg Easy to control: Reliable brake and lock buttons ensure that the length of the strap can be adjusted as needed. QUICK LOCK AND RELEASE FUNCTIONALITY - Easily scroll and roll with your thumb The LED Flashlight Night Lighting provides you with better and safer night lighting. One-touch brake and lock: One-touch brake and