ZINUS 8 Inch Spring Sensation Hybrid Mattress [New Version], Medium Firm Feel, Fiberglass Free, Youth and Guest Bedroom, Mattress in A Box, Twin

MODERN COMFORT AND A CLEAN PLANET Combining the soft comfort of a plush foam top with durable innersprings, this mattress arrives in a new smaller box for a reduced carbon footprint | RELIABLE SUPPORT Heavy-gauge steel coils are interconnected for consistent, durable weight support of up to 250 lbs for the twin mattress, while all others support up to 500 lbs | IDEAL FOR PETITE SLEEPERS Expertly constructed for smaller frames to fit like a daydream in a guest bedroom, youth bedroom or dorm room | CERTIFIED SAFE MATERIALS Crafted from high-quality CertiPUR-US certified foam and wrapped with an OEKO-TEX certified mattress cover all produced without the use of harmful chemicals for safer, healthier sleep | WORRY-FREE WARRANTY A 10-year limited warranty is included; please allow 2472 hours for your mattress to expand to its original shape