" SIZE: Fits a neck size of 9.8" to 10.2"", at a depth of 4.1"". The size is very important, please measure it, thank you. MATERIAL: Made of high quality cotton flannel and plastic, soft and healthy, double machine-stitched for a precise fit. APPLICATION: Safe and effective method of preventing pets from aggravating a wound or wound that is healing. Helps overcome the lick-bite, itch-scratch cycle. put an end to aggravation or mutilation of self-inflicted wounds, prevent pet from biting others in dermatology / beauty / surgery. FEATURE: With adjustable hook and loop for opening and a snap closure, padded on the inner and outer edges, for comfort and protection. SUITABLE: Adjustable pet collar, suitable for cats or small dogs such as the American Shorthair , Miniature Pinscher and similar breeds of cat or dog. Please refer to our size chart before ordering Size Name: Neck: 9.8""~10.2""; Depth: 4.1"" PLEASE MEASURE YOUR PET'S SIZE BEFORE PURCHASING, A LITTLE LARGER WILL BE MORE COMFORTABLE FOR YOUR PETS How to correctly determine the size: 1. Neck Circumference: Use a soft tape measure or piece of string and wrap it around the base of your dog's neck - tight enough that you can't get your fingers under the tape measure. 2. Depth: the length from the neck to the muzzle If any of the measurements are "between" two sizes, choose the larger size. Size: XS-Neck circumference: 9.8-10.2 inchlength4.1 inch Details: 1.Material: made of cotton flannel & Plastic, high quality guaranteed 2.Provides overall protection for your pet 3.Size is subject to change by varying the fixing tape, Suitable for small pets and medium size Safe and Convenient 4.Package Included: 1 x Pet Collar 5.Note: Light shooting and different displays may cause the color of your the item in the picture slightly different from the real thing. The measurement allowed error is 1-3cm. "