The K&H Pet Products Deluxe Kitty Sill with Removable Bolster is the ultimate in a cat window perch cat bed. The plush sleeping surface of this kitty sill provides your cat with extreme softness. The foam base of this cat hammock supports your kitty no matter their size. This hanging cat bed features a removable bolster that zips off in seconds to create a standard kitty sill. With two mounting options, the included velcro-like adhesive strips can easily be removed while the included screws can be used for a more permanent mount. The removable kitty sill cover and bolster are machine washable for easy care. Give your cat the gift of basking in the sun while looking out the window, they are sure to fall in love with this K&H cat window hammock cat bed.