IMPORTANT NOTICE: Please Dry The Floor Mattress Under the Sun Firstly, it will be recovered more quickly in the sunshine. Please kindly be noticed that we compress this item into a handy storage bag, so it needs 2-3 days to restore the normal thickness after you open the package | Cover Material: Microfiber| Filling Material: Polyester + Memory Foam, King Size: 4" thick x 78" wide x 80" long, Weight: 22 lbs | UPGRADED EXCELLENT WORKMANSHIP: The thickness of the futon mattress before quilting is nearly 17 cm. The top and bottom layer are 6cm thickness polyester cotton, the middle layer is 5cm thickness high quality memory foam. We have upgraded the middler layer so that the futon mattress will not collapse easily, Memory foam will offer a better support when you lying on the mattress. After the quilting the thickness of the mattress is over 10cm | WAHT INCLUDED IN THE PACKAGE: Buy 1 futon mattress, you can get the 1 same color mattress dustproof cover, 1 pair of bandage, 1 storage bag. With the dustproof cover, you will no longer have to worry about the clean issue of the mattress, which can greatly improve the durability of the mattress. For better storage and carrying, the mattress are equipped with straps and storage bag | WIDE VERSATILITY: It can be used as Bedroom Futon/Living Room Futon/Tatami Mat/Floor Mattress/Sleeping Floor mat/Tent Mat/Guest Mattress/Japanese Bed Mat, also can be kids play mat/floor pillow bed, also bring it with you in your car when going to anywhere, it is a good accompany for your family, just enjoy your homelife with MAXYOYO Japanese Floor Mattress