The Pro Collar is a premium, protective collar that protects pets from reaching injuries, rashes or post surgery wounds. Allows pets to eat, sleep and play at ease while staying protected. Does not block vision. Will not mark or scrape furniture. Lightweight, breathable fabric with improved durability and strength. Machine washable. Measurements: X Small - Up to 6", Small - 6" to 10", Medium - 10" to 13", Large - 13" to 18", X Large - 18" to 22", XX Large - 22" and up.