If you like the donut bed, this bed is the ultimate in comfort and quality. The exterior is made of a super soft sueded micro velvet fabric (100% nylon) that can be removed for washing with attractive piping on the top bolster. The filler-bolsters are made of high-memory fibre with a cover that unzips for washing. The two-layer rectangular cushion contains high-memory fibre with the bottom made of convoluted foam. The inner cushion is tufted for washing & the foam bottom is removable. Orthopedic foam base topped with a quilted, removable inner mat. Luxurious nylon micro velvet. Zippered, removable cover. Machine wash and dry. Those are the dimensions and prices :- Small 27" Medium 35" Large 42" Please note, each bed is made to order. We cannot accept exchanges or returns for any reason. Please choose the pattern and size you would like carefully. Thank you