Twin Size Mattress, Sersper 12 inch Gel Memory Foam Mattress, Motion Isolation for Cool Sleep & Pressure Relief, CertiPUR-US Certified, 100-Night Trial

【MATERIAL & CONSTRUCTION】: To improve support and heat dissipation, Sersper 12 inch Cooling-Gel Memory Foam Mattress is designed with 3 layers all-foam system, including 1.6 inch punched & gel-infused memory foam, 2 inch comfort memory foam, 8.4 inch support foam, built for long-lasting comfort, built for long-lasting comfort.

【HEALTH & HYPOALLERGENIC MATTRESS】: The foam has been certified by CertiPUR-US and Oeko-Tex Standard 103 without harmful substances like formaldehyde, mercury, and other heavy metals.

【COMFORTABLE & BREATHABLE】: All-foam bed design combined expertise and the best materials with advanced sleep technology. Memory foam conducive to continuous airflow & breathable; skin-friendly fabrics adapt to the environment to keep the mattress surface at the ideal sleeping temperature; Buoyant, no-sink support foams adapt and conform to your body for optimal pressure relief; The gel-infused layer reduce motion transfer of a partner so your sleep is undisturbed.

【Mattress in A Box】: This 12 inch twin size mattress is rolled and compressed to be packed in a box for easy transportation. Just unpack and set it up to enjoy your refreshing sleep. Please allow 72 hours for the mattress to fully expand. 

【Medium Firmness】: Sersper twin mattress with medium firmness is great for side sleeper, back sleeper and stomach sleeper

【Fits All Frames】: Sersper mattess fits most mattress frames, such as box spring, flat platforms, adjustable beds and etc

【10-year Warranty】: Worry-free 10 year limited warranty included. Please kindly wait 72 hours for fully expanding before use

【Mattress size】: 

Twin Mattress: 39 * 75 * 12 (in) 

Full Mattress: 54 * 75 * 12 (in)

Queen mattress: 60 * 80 * 12 (in)