Bully beds are made out of hypoallergenic, non-toxic materials that are 100% pet and people safe. The base is manufactured from the finest orthopedic foam on the market, and then topped off with the same luxurious memory foam found in high-end mattresses. In combining these advanced functional materials, we create a surface that is both ultra soft and strong – two orthopedic benefits large dogs definitely appreciate. The result is a bed that gently cradles a big dog's joints, while also providing the firm support necessary to keep him comfy, happy and healthy.