Rigid E-Collars offer the best all-around protection for your pets injury. Ideal for post-surgery or wound recovery, treatment of hot spots, breaking the itch-scratch cycle, helping your pet stop licking medication and end self-inflicting wounds. Our soft padded edge design and lightweight material makes this product comfortable for your pet and helps to protect your furniture. Medium: Fits 7-1/4" - 12-1/4" neckLarge: Fits 9-1/2" - 15-1/2" neckSmall: Fits 5-3/4" - 9-1/2" neckXL: Fits 12-1/4" - 21" neckXXL: Fits 15-1/4" - 25" neck | Dogswell Post Surgery Wound Recovery E-Collar Pet Cone in Clear | Size Large