☺- [Protective Cover] - It includes a soft cover that can be cleaned for easy use. The pressure relieving base foam can naturally take away heat from the body, allowing you to sleep more comfortably at night; The exquisite four-way stretching full cover can be used in conjunction with memory foam to optimize its property that meets the requirements. Basic foam can keep you cool during sleep, while memory foam that fits your body can reduce stress points and align your spine correctly. ☺- [CertiPUR certification] - High quality basic foam meets the performance and durability standards of CertiPUR US project, with medium cushion firmness; This basic foam mattress feels slightly better than the traditional solid mattress. ☺- [Removable machine wash] - foam mattress at the bottom, zipper design in the middle, which can be easily removed and machine washed. This Base Foam mattress has a medium to strong touch, slightly better than traditional sturdy mattresses. Base Foam provides complete, luxurious, and stress free support.