LIFEKIND Natural Round Pet Bed (20" for Pets up to 20lb.) - filled with GOTS-certified organic cotton on one side and organically grown buckwheat hulls on the other Durable colorgrown organic cotton canvas that holds up as nicely as the natural rubber ring inside it The thick, removable cushion features GOTS-certified organic cotton on one side and natural buckwheat hulls on the other  each material sewn inside separate chambers  so your pet can choose either feel Zippered cover is removable for washing Color may vary 20 Inches for Pets up to 20lbs.