General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding FLIPPABLE QUEEN MATTRESS-Sweetnight queen size mattress is designed to be flappable with unique 4 layered & zoned foam design. Allow you to sleep on either side. Its like having 2 in 1. 2 inch of gel infused memory foam on the Top keeps you cool, followed by 5 inch of comfort foam, pressure points & keep body balanced. 3 inch of high-density support foam on the bottom for durability and performance, strengthens edge-to-edge support, resists sagging and roll-off. BACK PAIN RELIEF & MOTION ISOLATION-The mattress queen size features a plush, soft surface that leaves you floating on a cloud, while the bottom offers medium queen firm mattress support. Perfectly contour your body. Say goodbye to Back pain. Plus the queen memory foam mattress eliminates motion transfer, controls motion to prevent localized bounce, so you can sleep through your partner’s tossing and turning and wake up refreshed. The queen bed mattress is great for all sleeping positions.