Fluffy Soft Comfy Calming Dog Cat Beds Cushion Mat Warm Bed Pet Round Plush Puppy Beds. The donut dog bed is also machine washable. But to keep it fluffy, it is best to wash it by hand. 【COMFY & WARM】: This dog Cushion beds surface is made of plush, smooth seams with superb sewing and inner filled with PP cotton, soft warm and comfortable, no-odor and friendly to pet skin.