The newest nursing pillow on the market! The One Z Pillow has an integrated back support unlike any other pillow on the market! It is also great for tummy time, support and play time! The pillow is made from a waterproof material. No cover is needed but can be added if desired from our website. The One Z is Made in the USA with all baby safe materials! NO FLAME RETARDANTS AND NO CHEMICALS ADDED TO OUR PILLOWS! This pillow is much different than traditional pillows it allows mom to nurse in complete comfort with the full back support!