Escape-Proof * Comfortable and Ergonomic * Push Button Closure * Easy to Put On The only harness designed to prevent cats from backing out. Designed to be safe and secure while allowing complete range of motion. The unique push-button closure makes the harness easy to put on and comfortable. The bungee cord closer draws the harness tight when cat's panic or try to squeeze out without any pressure on the neck or throat. Handcrafted from the highest quality materials to work and last! Custom made to fit your cat- see measuring guide image.