The Mattress combines support and comfort, provides excellent whole-body support, can adapt to the curve of the human body, stretches flexibly, protects the spine and maintains a natural and straight posture, allowing the body muscles to fully relax and relieve the human body Stress, reduce the number of turning over during sleep and create a sleeping environment. Compatible with most bed frames, such as foundations, slatted platforms, box-spring beds.Features1. Responsive top layer The top layer foam supports and adapts to you, providing high elasticity and resilience-back feel.2. Skin-friendly and Moisture absorption The breathable and skin-friendly fabric cover is non-irritating and will not pilling. Helps remove moisture from the surface and provide a comfortable sleeping environment.3. Flame-retardant Protection The flame-retardant fiber after special fire-proof treatment is self-extinguishing. Ensure a fairly safe sleeping area.Product DetailsComfort Level: Medium to SoftMattress Type: Hybrid Pocket SpringProduct Highlights: Breathable, Edge Support, Low Motion TransferMattress DimensionsTwin: 39*75*12 Inch; Approx: 49.6 lbsFull: 54*75*12 Inch; Approx: 68.3 lbsQueen: 60*80*12 Inch; Approx: 77.2 lbsKing: 76*80*12 Inch; Approx: 95.9 lbsWhat is in the box?1* 12 Inch Twin Mattress1* Opener1* Manual CardTips for Unpacking① Place the mattress roll at one end of the bed frame.② Cut the first plastic layer and roll onto the frame with the opener.③ Cut the second plastic layer(carefully).④ Watch the mattress expand! 72 hours will be perfect.⑤ Enjoy and sleep better. Good night!