Magic Bumpers are firm foam wedges designed to go under all the bedding as a safer and easier alternative to traditional bed rails. The foam has a high-grip surface that stays put when placed directly touching the mattress AND under all bedding including the mattress pad. The bumpers help to transition your child to a standard bed and are great for travel. This listing contains 2 foam wedges each: 5 inches wide and 5 inches high and 21 inches long. They are designed to be placed in line together to make one 42 inch edge barrier. In accordance with US Federal Law, this product has passed testing for ASTM – F2085-12 Portable Bed Rails, complies with CAL 117-2013 and is PBDE, Lead and Phthalate free. This product does not contain fire-retardant due to the new specifications of CAL 117-2013. Ships via US POSTAL SERVICE.