Thrive Wonder - 12 Inch Gel Memory Foam Mattress - Best Cooling & Support - CertiPUR-US Certified - Made in USA - 10 Year Warranty - Twin XL Size Mattress DEEP, PEACEFUL, QUALITY SLEEP - Want to sleep deeply and uninterrupted? WHO DOESNT? Most of us think that we have to spend thousands to get a mattress that is supportive, feels good, and keeps you asleep. With the Aspire memory foam mattress, quality sleep is very much within reach. COOL COMFORT & SUPPORT ALL IN ONE - Combining a soft touch breathable cover and 3 supportive layers including 3" air gel memory foam, 1" open cell breathable foam, and a 8" high-density base, this the best medium feel mattress that will let you wake up refreshed and rejuvenated. REMOVABLE COVER TO CLEAN - While we sleep, our sweat, dead skin cells, and random dust particles accumulates ON AND IN the mattress (even with bed sheets on) - causing the mattress to break down faster than you can imagine. You may not notice anything in the short term but if you want your mattress to LAST LONGER, it will matter. ALL of our Thrive mattress comes with a removable zipper cover so that you can wash off all the dirt and keep your mattress FRESH AGAIN. Simply zip it off and wash. SAFE & CERTIFIED - Made with California CertiPUR-US foams free of flame retardants, heavy metals, formaldehyde, and phthalates. Naturally resists mold, bacteria, and dust mites. Now Made in USA YOUR SATISFACTION GUARANTEED - Enjoy improved sleep and peace of mind for many years to come. Compressed, boxed and shipped for easy setup. Comes with a 10-YEAR MANUFACTURER WARRANTY. Twin XL Size: 39" x 80" x 12"