A vacuum bed is a bondage device used in some BDSM play where a person is placed between two sheets of latex held together by a frame, and a vacuum is used to remove the air between the sheets to immobilize the person. The person breathes through a tube, a hole, a gas mask or has their head completely out of the bed.
The vacuum bed combines many different fetishes: latex, bondage and sensory deprivation, among others. It is a popular fixture of many BDSM dungeons. A vacuum bed can be purchased from BDSM suppliers but they are very expensive pieces of equipment, and may be too large for many people to keep in their homes.
Vacuum beds also appear in BDSM pornography. Many people love the appearance of a person encased in latex as well as the fantasy around that person being completely immobilized.