This Grand Elegance Willow 10 inch pillow top hybrid innerspring mattress offers cooling gel infused engineered latex. The Highland mattress features a 7.5 inch tall wrapped coil design with stronger edge coils for a firm seating edge and firm support across the entire mattress. Topped off with a 1 inch layer of cooling gellux foam and 1.5 inches of exquisite convoluted comfort form. The foams used in the Highland mattress are certipur-us certified, having undergone rigorous laboratory testing to surpass standards for flammability, VOCs and overall foam manufacturing processes. Unpack: remove the compressed vacuum-packed mattress from the boxUnroll: carefully cut heavy duty securing straps and allow the mattress to unrollExpand: remove the protective plastic bag and allow the mattress to expandMattress may have a new foam smell initially. This is normal and should dissipate within a few days This item requires oversize delivery. Please refer to the Order Summary in the Shipping step at checkout for delivery charge.