TRAINING CONTROL: An efficient method to control dog, martingale collar is a better alternative to standard collar. QUICK RELEASE BUCKLE: It is fast and easy to get on and off. The buckle is featured with a safe lock that prevents dog from accidental release. REFLECTIVE: Highly reflective piping keeps visible and safe at night walking DURABILITY: The dog collars are made of high-density nylon webbing, heavy duty hardware and strong buckle. Strict pulling test conducted before production. 100% MONEY BACK GURANTEE: If you are not 100% satisfied with the product, please contact us. Product Description martingale collar Quick release buckle with safe lock Easy to put on or take off, featured with a safe lock that prevents dog from accidental release. Great for control Martingale collar tightens up when pulling, keeps your dog from escaping. Reflective piping Keep visible and safe at night walking Box tacking Box stitching is applied to pressure points for added strength. rope leash Mountain climbing rope Made of mountain climbing rope. More sturdy and durable. Foam handle No leashburn anymore Reflective leash Keep visible and safe at night walking WHAT IS A MARTINGALE COLLAR? Martingale Collar is a great solution for your pup?s pulling. The main difference between a martingale collar and a regular collar is that it tightens up as a dog pulls. The purpose of this is not to choke a dog, but to prevent a dog from escape the collar. FEATURES: TRAINING CONTROL: An efficient method to control dog, martingale collar is a better alternative to standard collar. DURABILITY: The dog collars are made of high-density nylon webbing, heavy duty hardware. Strict pulling test conducted before production. DIMENSIONS: collar size: S 12-13 inch, 0.75 inch width M 14-16.5 inch, 1 inch width L 17-21 inch, 1 inch width