(Quoted from the official website) The band-shaped power switching in the pelvic area supports the sacrum, which is the core of the pelvis. The leg section provides comfortable support for the legs during sleep with pinpoint, calculated compression. ● Condition: Since it is new and unused, there are no stains or damage, but please understand that it is a used item before purchasing. ● Other notes: It was folded and stored in a home closet. There are no smokers or pets in the house.