Modway Aveline 12” Gel Infused Memory Mattress with CertiPUR-US Certified Foam Twin MattressFeatures: Product Weight : 47 lbs 4" Cooling Gel Infused Memory Foam 8" High Density Memory Foam Foam Is CertiPUR US Certified Cooling Open Cell Ventilation Stretch Knit Zipper Removable Cover Box Spring Or Foundation Optional Compressed And Vacuum Sealed In Box Description: Indulge in deeper, more restorative sleep with the Aveline 12 Twin Mattress. Topped with breathable gel infused memory foam to keep your body climate steady and cool, this