Xinlinke New Protective Collar Wound Healing Cone Protection Smart Collar Compatible with Cat Small Pet 5# Transparent White & Black Perfect for Pet Injuries or Post Surgery Recovery Velcro Closures Designed Convenient for Adjusting Size Helps Break the Lick-bite Ensure Your Pet Recovery Smoothly Neck Circumference: 28 cm/ 11 inch ,Neck Diameter: 9 cm/3.5 inch, Depth/Width:12 cm/4.75 inch. (The Dimensions in the Second Picture is for Your Reference) Fit for Pet's Neck Circumference: 23-28 cm / 9-11 inch (Please Measure Your Pet's Neck Circumference First to See If This Size Meet You Demand)