Mattresses and Accessories - Solstice Bed, Midnight Blue : The Solstice Bed features a durable, one piece, rotationally molded design for increased strength. Constructed of high impact "no break" polyethylene. Designed for use with 36" x 75" mattress or smaller. A 6" thick mattress is recommended. Angled lowered side rail for easier entry and exit. Sound dampening. Easy to clean, sanitize and maintain. Can be bolted to the floor via concealed pilot holes with hardware of your choice. Passes Flammability UL 94 HB. Tested to ISO 22196 showing a greater than 99% reduction in bacteria. Flame Retardant (passes Cal 133) Test reports available upon request. Manufactured to ISO Quality Standards in the USA.