An exceptionally comfortable, premium 13in Euro Box Top mattress spring mattress that offers soothing and restorative sleep. The euro box top is quilted with super soft foam and fiber padding. The independent coil system offers firm, durable support with little motion transfer. The combination offers luxury and support that helps relieve pressure points, so you get the sleep you need for better health. The entire body rests on an even surface which helps to keep the spine properly balanced. A firmer sleep experience for back and side sleepers. The innovative Bi-FoldÃÂÃÂ® 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-FoldÃÂÃÂ® 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-FoldÃÂÃÂ® 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-FoldÃÂÃÂ® 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!