Hybrid mattress: Get an extra-thick 13-zone memory foam sprung mattress. Extra thick: 10 inches deep for a luxurious feel. Comfortable: Supreme quality hybrid spring and foam mattress. Breathable: With a hypoallergenic and cool stretchable fabric. Sizes: Choose a Small Single, Single, Small Double, Double, King or Super King size. Sleep well: Rest easy at night with a brand new comfortable mattress!