Sleep as soundly as you work and play with this revolutionary tight top luxury innerspring mattress that comes in a box. With heavy gauge steel coils for maximum support, this mattress gives ergonomic comfort and more restful sleep. Coil springs are designed to provide improved motion separation so you don't feel movement when your partner tosses and turns. That equates to more restorative sleep and a healthier, happier you.Spring (Pocket), Fabric Fr Wadding Foam Non-Woven Fiber and White FeltCollection: Tranquility Country of Manufacture: China Depth: 75 Finish: White Navy Height: 8 Weight: 41.6 Width: 39