The Canine Cradle insert is a soft padded cushion that fits into hard plastic dog beds such as the Bunty Armadillo bed (although it may fit other plastic beds). Elastic rim which secures the insert to the plastic bed. Made from a soft faux fur to keep your pet comfy and warm. Easy to remove in seconds and fully machine washable. Please note, this is for the insert only. The insert will fit plastic beds with similar dimensions to the below: Small: L:33cm x W:48cm x H:19cm Medium: L:43cm x W:61cm x H:23cm Large: L:54cm x W:77cm x 25cm X-Large: L:63cm x W:97cm x H:32cm