YUMIAO 4 [Queen] Sofa Bed Mattress Replacement, Memory Foam Sofa Mattress Topper with Ultra Soft Cover, CertiPUR-US Certified

[MATTRESS TOPPER ONLY] - This sofa bed mattress replacement is ONLY the topper for sofa bed (sofa NOT included) [2-LAYER DESIGN] - YUMIAO memory foam mattress replacement offers two firmness options, medium feel and medium firm feel, balance comfort and support, it is thick enough to provide comfort yet thin enough to fold into the sofa, no need to remove before closing [HEALTHIER SLEEP] - Our selected premium memory foam offers the even contouring, pressure relief, and excellent motion isolation, and breathable rayon fabric from bamboo gives a cooling and comfortable feel while you sleep (OEKO-TEX 17.HCN.13316 HOHENSTEIN HTTI) [VERSATILE USE] - YUMIAO sofa mattress can be used as an alternative to a sofa bed in addition to being placed on a trundle bed or in a hide-a-bed, camper, futon, boat, RV [VACUUM PACKAGING] - Allow 48-72 hours to fully expand the new foam topper in a well ventilated area and a suitable temperature (78, low temperature may take more time