It is the base mattress where the lifting mechanism including the dual motors and frame are embedded. The Base has a minimum fix height of 20cm
Base plus High Elastic Foam as its top and is using standard Pure or Polyester Cotton material as its cover. It is match with a handset with cable
Base plus latex foam as its top and is using Bamboo Charcoal material as its cover. It is match with a wireless handset
Base plus memory foam as its top and is using natural silk as its cover. It is match with a wireless plus memory handset