NEW: Medium Firm Mattress Foam Topper 6″Thick x 39″Wide x 75″Long 1.5 Density 36ILD. Medium Firm polyurethane foam’s ability to reduce sagging and soft spots is one of the reasons so many people are using it to get the best night’s sleep. Now you can enjoy the benefits of a firmer sleep surface without having to buy a new mattress by adding this medium firm plus polyurethane foam mattress to your existing spring, polyurethane mattress, latex, or even memory foam mattress. This mattress will add comfort, increase the firmness and your quality of sleep from your mattress immediately. Six inches of conventional polyurethane foam used in this mattress is specifically designed to enhance the feel of your current mattress, and also provides additional support in areas where your mattress may be dipping or sagging. The polyurethane foam is also specially formulated to help support the contours of your body, and will give you the extra support you need to get the best night’s sleep possible from your current mattress. *** CARE INSTRUCTION *** FOAM PACKAGES NEED TO BE OPENED IMMEDIATELY ONCE YOU RECEIVE THE PACKAGE. DO NOT LET THE FOAM SIT UNOPENED FOR MORE THAN 1 WEEK IN ORDER TO PREVENT DAMAGE! DO NOT OPEN WITH A BOX CUTTER! USE A BALL POINT PEN OR A PENCIL. START BY MAKING A LITTLE INCISION AND BREAK IT FROM THERE. When unpacking *** must take the compressed foam out of the box *** unrolled to relax on flat surface for compressed foam cells to breathe in the air *** allow at least 2 to 3 days for the foam to breathe in order to recover its original size and form from being compressed for shipping *** we compress everything down to the most economical size to keep our shipping cost down. For orders to Alaska and Hawaii, customers should send a message or contact us through amazon contact seller “Isellfoam” with their order so shipping costs can be computed fairly.