【CertiPUR US Certified】Elevate your sleeping environment with the KOW Hybrid Memory Foam Twin Mattress – CertiPUR US and Oeko-Tex Standard 100 certified for enough safety and durability. The twin size mattress 12 inch is made of high-quality and safe materials and skin-friendly, made without fiberglass, and keeping you and your family safe and healthy. Start a healthy and happy sleeping experience! 【Reinforced Springs for Better Support】The KOW Hybrid 12 inch Twin Mattress is made of high-density memory foam and hundreds of independent wrapped pocket springs. Provide all-around average support for 7 parts of the body (head, neck, shoulders, waist, hips, legs, feet) and the twin bed mattress fits for your body curves perfectly. This ergonomic design can maintain a good balance of the spine and ultimately reduce pressure, providing better protection for you and your family. 【Quiet and All Nights Sleep】The top is made of soft and breathable knitted fabric, and multiple layers of memory foam and hundreds of independent pocket springs are individually built-in, don’t disturb your companions, and sleep peacefully,which can effectively avoid movement interference between partners, allowing for deep, uninterrupted sleep. 【12 INCH TWIN SIZE MATTRESS in a Box】The mattress twin size is compressed and packed in a box for easy transport to your front door Just simply unbox and unfold the mattress, no complicated installation required. After unpacking the mattress, just wait 48-72 hours for decompression and dissipation of any potential odors. Whether you have a box spring mattress, bunk bed, couble cusion, slatted frame bed, platform bed, or metal grid, this mattress is suitable, and our mattress has a hand-held design on the side so you can easily install it. 【After-sales Service】Say goodbye to Intermittent sleep with the KOW 12 inches twin mattress.If your mattress is defective or damaged during delivery, please contact us, our support team is always here to help you. Features: Does not contain glass fiber Independent pocket spring, full of flexibility High-quality textile fabric, good air permeability, skin-friendly and soft High resilience density sponge, soft and comfortable, care for the spine Specification: Brand: KOW Thickness: 12 Inch Size: Twin Item Firmness Description: Medium Firm Construction Type: Hybrid Coil Type: Pocketed Coil Comfort Layer Material: Memory Foam Material: knitted fabric / non-woven fabric / Cotton Blanket / pocket spring / sponge Special Feature: Low Motion Transfer, Suitable for Various Sleepers, Motion Isolation, Long-Lasting Durability, Luxurious Sleep Surface, Breathability, Noiseless. Product information: ThicknessSizeFirmnessItem sizeItem Weight12 InchTwinMedium75 * 39 * 1247.62 lb12 InchTwin XLMedium80 * 38 * 1250.7 lb12 InchFullMedium75 * 54 * 1265.81 lb12 InchQueenMedium80 * 60 * 1275.84 lb12 InchKingMedium80 * 76 * 1295.02 lb12 InchCalifornia KingMedium84 * 72 * 1294.36 lb Package Content: 1x 12 Inch Twin Size Mattress