Essential Medical convoluted foam bed pads are made of high quality medical grade foam. Egg crate style design helps reduce pressure for user while increasing user comfort. Pads are available in multiple sizes and thickness to match bed size and need. Note: Pads are sealed and will need time to rise once they are opened. Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.