Size: L. Inner Ring Diameter: 9-11cm, Outer Ring Diameter: 23-29cm, Width: 13.54cm MaterialsOur cat protective collars are made of thick felt material, they are flexible and hard enough not to let our cat come off them.Practical Cat recovery collars are lighter than traditional plastic rigid cone collars - don't hold down the kitten's head, and are able to move around and eat/drink easilyMust-have for CatWe can trim the petals to get a slightly larger neck opening to make food and water easier for our pets,the protective collar cone is perfect for our cats and dogs after neuteringAdjustableOur cat cones have two sizes adjustable3 ColorsOur protective collars are available in 3 colors, you can use alternately as you like