KH Mfg Brown EZ Mount Kitty Sill Deluxe with Bolster The KH Mfg Brown EZ Mount Kitty Sill Deluxe with Bolster has all the features of the Kitty Sill but with an attractive bolster. The bolster is easy to install and can be removed for machine wash care. The bolster gives your cat the security and comfort they want. Purrfect for bird watching! Features: Kitty Sill with bolster included Allows use of window blinds, curtains and shades when folded Remove the bolster and the cover is machine washable Easy installation Item Specifications: Dimensions: 12L x 23W KH9090 655199090907