Sleep better tonight with the revolutionary 3" layer of pressure relief foam that eliminates pressure points in three important areas: Head & Shoulders, Hips and Feet. State of the art technology in a higher density memory foam that immediately responds to your body shape and weight, conforms and molds to the curves of your body. Breathable top layer provides less heat build up. Premium super soft bamboo rayon cover and natural ingredients combine for safe odor control. The innovative Bi-Fold® box spring foundation is for someone wanting the support of a traditional box spring. Night Therapy understands the need for easy comfort both during and before sleep. Unfold your Bi-Fold® foundation, lay it upon your bed frame and slide on your chosen mattress, and you are ready for a restorative night"s sleep. Often times a traditional foundation is not always the most convenient solution. Bi-Fold® offers sturdy support expected of a standard foundation with the utmost ease of mobility. The compact size lowers the risk of nicks & scrapes on furniture and walls in addition, maneuvering traditional box springs on stairs, small doorways, around corners can be difficult. Bi-Fold® box spring is the leading foundation in comfort and design, shipping flat also saves on expensive delivery costs. Night Therapy, better sleep every night to be your best!