1.soft but so sturdy and durable2No collar or harness needed.With the adjustable loop, extremely simple and easy to put on or off.3.ensures great visibility and security during night walk or jogging.4. Bright colors make it easier to accurately see its position on the puppy's neck and whether adjustments are needed. Make your dog safer and more fashionable.A simple and easy to use leash, traction rope, and collar designed to prevent dogs from pulling. It can be adjusted to fit any neck size, making it very soft and elastic. When you tie a heavy leash, it serves as a buffer zone5. Easily stop the dog from pulling, no harm to the dog, you just need to keep your arm steady and the dog will stop when the lead becomes tight. Wait for your dog to slow down. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.