Mattresses and Accessories - Safety Rail for Wall Bunk, Small, Slate Blue : The Endurance Wall Mount Bunk Safety Rail is ideal for continuous, intensive use environments. Durable, one piece, rotationally molded designs for increased strength. Constructed of high impact "no break" polyethylene. No steel or wood components. Smooth, curved perimeters designed for ligature resistance. Bolt to Endurance Wall Mount Bunks with tamper-resistant hardware provided. Easy to clean, sanitize, and maintain. Passes Flammability 94 HB. Tested to ISO 22196 showing a greater than 99% reduction in bacteria. Manufactured to ISO Quality Standards in the USA.