It's a proven fact dogs are most at ease when curling up in a ball to sleep, it gives them warmth and a feeling of security. Jax and Bones Donut Beds are made to embrace the natural way dogs like to rest and recharge. Constructed using our softest plush velour fabric, these beds are designed to offer a safe sleeping place for years to come. Cover and inner pillowcase unzip to make it easy to machine wash and dry cover. Overstuffed sides are filled using our signature, hypoallergenic fiber, Sustainafill‚Ñ¢.