This hybrid mattress combines the solid support of a pocket spring system with selected, plush memory foam for a more restful night's sleep. 10 layers of good materials include jacquard, memory foam, polyester fiberfill, 2 layers of thick foam, non-woven fabric, pocket springs and polyester batting. Covered with a beautifully detailed knitted cover, this mattress features round edges and square patterns for breathability and a soft touch. This memory foam and spring mattress is vacuum-packed and rolled in one portable box for customer convenience. Breathable Cool Surface: This mattress is finished in breathable knitted fabric for utmost comfort and an ideal sleeping environment. The cover with good breathability will quickly absorb your sweat for a dry and sweet night. Medium Plush: Our spring mattress features a medium plush feel to most people. Still, comfort levels might vary among different people. You can reach out to us for assistance with personalized recommendations. Comfortable: The top layer of memory foam provides plushness, while the lower two layers of thick foam provide the support required for gentle pressure relief and restful sleep. A soft and breathable jacquard fabric cover creates a cool feeling when you lie down and keeps you relaxed even on humid nights. One Box Package: This single bed mattress will arrive compressed into a convenient roll, making it easier to take a new mattress upstairs. Then you’ll see 90% of the mattress size recover quickly after you unpack the roll package. Undisturbed Sleep: This mattress comes with a non-woven fabric enclosed coil spring system, in which each pocket spring is not connected together and acts on its own. No more disturbed sleep caused by motion transfer. Covered with a polyester batting layer and multi-layer of thick foam, our mattress not only gives you strong support, but also brings you ultimate comfort.