Twin Medium Firm Memory Foam 10 in. Bed-in-a-Box Mattress

Experience restful sleep with Serweet's Hybrid Mattress, blending traditional coil support and adaptive foam layers. High-density foam ensures firm comfort, while gel-infused memory foam cradles your lower back. Hypoallergenic materials protect against allergens for undisturbed rest. Arrives compressed for easy setup - simply unbox, unroll, and watch it expand fully within minutes (foundation sold separately). Low-maintenance design requires no flipping; preserve its feel with a thin breathable protector instead of quilted pads. Polyester fabric offers durable softness. Perfect for allergy sufferers and seekers of hassle-free comfort, this mattress delivers therapeutic support in a box. Sleep deeper, wake refreshed.. Medium firmness offers a comfortable sleep. Made of polyester and steel to ensure durable use. Features 3 foam layers for optimal softness. Heavier-Gauge Pocket Springs - Thicker steel coils in independent pockets for medium-firm support.. 3-Layer CertiPUR-US Foams - Certified pressure-relieving layers specifically designed for back/neck pain sufferers. Breathable Fabric - High-permeability knitted cover with skin-friendly fabrics disperses body heat and releases moisture.. Cooling Gel Foam - Cooling gel-infused memory foam maintains surface temperature, actively regulates mattress temperature to prevent night sweats and stuffiness.. Reinforced Edge Support - Denser perimeter structure prevents roll-off and edge sagging. Extends mattress lifespan while providing full usable sleep surface.. 72-Hour Recovery Box - Compressed mattress fully expands within 3 days, 97% original shape retention.. Sleep Trial & Warranty - 100 night risk-free trial with 24h customer support + 10 years limited warranty.