Description: Designed to protect your pets from injuries, rashes and post-surgery, it will prevent them from scratching, licking and biting. Cute good gift choice for pets, Baby-grade Velcr, strong adhesion, will not pull your pet's hair when used. Built-in massage dots to promote the blood circulation of pets, making it more comfortable to wear Made of EVA, comfortable to wear and yHas good flexibility, abrasion resistance and scratch resistance. Perfect protecter for your dog cat. A great tool for your lovely dog and cats. Specification: Material: EVA Size: 10# Neck circumference 17.5-21cm/6.89-8.27inch, depth 10cm/3.94inch; 15# Neck circumference 24-29cm/9.45x11.42inch, depth 15cm/5.91inch; 20# Neck circumference 34-40cm/13.39x15.75inch, depth 20cm/7.87inch; 25# Neck circumference 36-43cm/14.17x16.93inch, depth 25cm/9.84inch; 30# Neck circumference 44-51cm/17.32x20.08inch, depth 30cm11.81inch; Package Includes: 1 Piece Pet Protective Collar Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!