Versatile, spacious chair intended for lounging, with the ability to stand alone or be bolted together. The ergonomic design provides maximum comfort using rotational molding technology. Includes access door for adding weight to the chair. Rotationally molded design for increased strength. Constructed of high impact "no break" polyethylene. No steel or wood components. Can be bolted together in place, or to the floor via concealed pilot holes. Sound dampening. 1500 lb. Static Load, ANSI/BIFMA X5.1-2011. Easy to clean, sanitize and maintain. Can be easily filled with sand through optional ballast door on site to weigh down. Secures with tamper resistant screws. 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.