Twin Mattress, 12 Inch Hybrid Mattress, Gel Memory Foam and Pocket Spring Twin Bed Mattress in a Box, Medium Feel, Cooler Sleep & Pressure Relief, 75”*39”, 120 Nights Risk-Free TrialSizeTwin, Twin XL, Full, Queen (U.S. Standard), KingProduct Dimensions75″L x 39″W x 10″Th, 80″L x 39″W x 12″Th, 75″L x 54″W x 14″ThTop StyleEuro TopCover MaterialPolycottonFill MaterialGel Memory FoamSpecial FeaturePressure Relief, Breathable, Low Motion TransferColorWhite&grayCoil TypePocketed Coil bout this item【Motion Isolation & Edge Support】HIMMLINE Hybrid Mattress is supported by hundreds of individual pocket springs, which can absorb partner movement and relieve pressure. Will not sink over time.【Multilayered Comfort Design】Gel memory foam ensures comfort and cooling. Comfort and supportive foam provide a cozy feel. The mattress bottom has a non-slip and breathable layer for stability.【3D Knit Fabric & Cooling Sleep】Himmline 10 inch king size mattress features breathable and skin-friendly 3D soft knit fabric. Promote effective air circulation and heat dissipation. Create a cool and cozy sleep.【CertiPUR-US Certified & Eco-Friendly】Himmline Mattress is certified by CertiPUR-US. It is free from harmful substances like formaldehyde, mercury, and other heavy metals. Ideal for all sleep positions and bed frames. Fiberglass free.【120-Day RISK-FREE Trial & 10-Year Warranty】The Himmline mattress offers a 120-day risk-free trial period, giving you the freedom to decide whether the mattress is suitable for you. If you have any questions, please do not hesitate to contact the Himmline Customer Support Team.Previous pageNext pageGel Memory Foam Comfort Foam Support Foam Pocket SpringCozy 3D knitted fabricHimmline 10 inch hybrid mattress is made with 3D soft knit fabric that is breathable and skin-friendly.Play Video Play VideoPrevious pageNext page3D Soft Knitted Fabric Fits All Bases Shipped to Your Door How to Choose Easy Set Up