Soft as a pillow, easily accepted by pets: The soft cotton Elizabeth collar will not affect the life of pets, will not block the view, very easy to be accepted by pets. Low Temperature and Stain Resistant: These cat electronic collars are made of down cloth and cotton, keep the surface cool and clean, a small amount of water will not stay on the surface. Suitable for Most Cats and Small Dogs: Two size options (default size M 2pcs), adjustable neck, suitable for most cats and small dogs. Small: 3.93-9.45" (neck circumference) x 8.27" (outside length); Medium: 5.90-12.20" (neck circumference) x 11.81" (outside length). Normal Eating & Unobstructed Sight : The oblate cone will not block your pet's sight or interfere with their activities, normal eating and excretion can be maintained. Machine Washable: It is recommended to wash regularly, it can be machine washed without deformation.