• Two Firmness Levels in One Mattress: Thanks to the interval distribution of the pocket coils (2.0mm & 1.8mm), this 5 zone mattress delivers targeted, extra firm support for your lower back and knees to alleviate your body pressure and pain. Whether you prefer side, supine, or prone sleeping position, this mattress is right for you.
• Cooling Effect & Heat Dissipation: Sersper CertiPUR-US certified breathable foam keeps you cool when you sleep. Fiberglass-free inner knitted fabric cover also helps air circulate and dissipate heat from the surface of the hybrid mattress. You’ll stay cool and comfy all night.
• Motion Isolation & Alignment Support: Individually wrapped pocket innersprings rebound independently to avoid motion transfer between partners. No disturbance and wake-up will be caused by tossing and turning on Sersper 12 inch mattress. The supportive foam layer is contoured to your body for edge-to-edge support and resistance of rolling and sagging.
• Smartly Shipped & Easy Setup: This memory foam and spring hybrid mattress is compressed, rolled & shipped in a box conveniently to your door for easy setup. For a better sleeping experience, please allow at least 72 hours for the mattress to fully expand.
• Twin Mattress Dimensions: 75"L x 39"W x 12"H
• Queen Mattress Dimensions: 80"L x 60"W x 12"H

Shipping Note: Shipping to Alaska, Hawaii, CA, RI, CT, PO Boxes, and APO addresses is not available for this item.

Warranty: Sersper 10-year Warranty

Optional Asurion Protection Plan: To further protect your purchase, you can buy an Asurion protection plan from Amazon here. Review the FAQs for additional information.