Ever feel like Goldilocks when you're looking for a new mattress——no bed feels just right? Then Sweetnight 8 inch hybrid mattress will be your choice. This twin size mattresses with medium firm feeling can help alleviate back pain and improve sleep quality. Combines the comfort of gel memory foam with the support of coils, 8 inch twin mattresses provide pressure relief, spine alignment and responsiveness. Sweetnight hybrid mattress uses 2-layer memory foam to reduce the motion transfer. Besides, the foam we use in the mattresses is certified by CertiPUR-US. Sweetnight hybrid mattress with gel memory foam keeps your sleep cool. Sweetnight 8 inch pocket spring mattresses have individually wrapped pocket coils under several soft layers of foam, which provides great support and relieves pressure. Skin-friendly cover is certified by OEKO-TEX, which is durable and suitable for all adult and teen sleepers. Sweetnight twin mattress in a box comes with compressed and rolled package for convenient delivery and east setup.