【One Mattress, Two Choices】 Choose your perfect comfort level with the flippable Duchess mattress. Offering medium softness on one side and firm support on the other, it caters to your individual preferences and sleeping positions, whether you're a side, back, or stomach sleeper. 【Ergonomic 3-Layer Support Foam】 Designed to align your spine and provide optimal support, the Duchess mattress ensures a restorative sleep experience. The gel memory foam topper offers a soft and cool surface, while the high-density foam base layer provides medium support. 【Breathable Premium Detachable Cover】 The removable bamboo fiber cover is hypoallergenic and antibacterial, protecting you from allergies and keeping your mattress fresh and clean. The moisture-absorbing and ventilated inner cover extends the mattress's lifespan. 【Healthy and Hypoallergenic Mattress】 Certified by CertiPUR US and Oeko Tex Standard 100, the foam in the Duchess mattress is free from harmful substances. It's safe for everyone, including infants and allergy sufferers. Wait for 48-72 hours before using the mattress to allow it to fully expand. And our professional service team is available 24/7 to assist you. The Duchess gel memory foam mattress uses the latest in sleep technology to solve common sleep problems. The gel-infused memory foam used slowly adjusts to your body and sleep temperature to keep you cool and dry. The unique 3-zone support foam is ergonomically designed to align with your spine and reduce pressure points more effectively. Maintain undisturbed sleep all night long thanks to its motion isolation. You'll barely feel your partner tossing and turning as they fall asleep on the Sweet Night Memory Foam Mattress. In addition, this memory foam mattress is reversible, allowing you to sleep on either side.