Features: SOFT AND COMFORTABLE - The inflatable collar is made of a PVC inner lining and a soft outer lining. The PVC lining is waterproof, durable, tasteless, safe and healthy. The soft and plush design on the surface ensures that the pet is comfortable to wear and will not irritate the pets skin PERFECT PAVKAING - Each package comes with an instruction manual, which can be used as a reference for you to learn. Also give you a manual pump, which is convenient for you to use when you dont want to blow with your mouth. Of course, you can also use this pump for other purposes, such such as blowing balloons. ADJUSTABLE LENGTH - The recovery collar use velcro to connect, which is more safe and easy. The collar length is 18-30cm / 7-12in, suitable for your small dog or cat SCRATCH AND BITE RESISTANT - The inflatable collar is designed to protect your pets injuries, rashes and post surgery wounds, It can prevent your cat or dog touching or biting or licking EASY TO USE& WASH - The internal PVC part and short plush cloth are removable and washable, you can deflate it and store it in a small space when you do not use it and there is a zipper opening on one side, you can take the bag out and wash the outside clothSize: S: Diameter: 4-5cm Neck circumference: 18-30cm Weight: about 95g M: Diameter: 7-8cm Neck circumference: 25-36cm Weight: about 120g L: Diameter: 13CM Neck circumference: 38-50cm Weight: about 220g XL: Diameter: 18cm Neck circumference: 50-65cm Weight: about 260g