Snuggle-Pedic Mattress That Breathes - Patented Airflow Transfer System, Kool-Flow Ultra-Luxury Bamboo Cover, USA Orthopedic Flex-Support Memory Foam, 4-Month Sleep Trial & 20-Year Warranty (Queen) The PATENTED AIRFLOW TRANSFER SYSTEM works by creating 100 TIMES THE BREATHABILITY of other mattresses that only use ventilation holes or channels, but not both and do not connect the two like the ONLY THE SNUGGLE-PEDIC MATTRESS does! Our Flex-Support Technology Gives The PRESSURE RELIEF of a Memory Foam/Gel Mattress, Only it is EASIER TO MOVE AROUND ON like a traditional mattress and MORE SUPPORTIVE. 100% MADE IN THE USA and CertiPUR-US Certified ECO-FRIENDLY and VERY LOW V.O.C. PRESSURE RELIEVING SURFACE WITH EXTRA SUPPORTIVE & FIRMER LOWER LAYER gives you the perfect balance and universal comfort. Compare to Tuft & Needle, Leesa, Sleep Innovations and Casper to see the difference for yourself! Hypoallergenic & Dust Mite Resistant. Rolled & Vacuum Sealed For Eco-Friendly Shipping & 120-NIGHT NO HASSLE REFUND GUARANTEE. ALL USA MADE HIGH QUALITY WITH INDUSTRY LEADING 20-YEAR WARRANTY and FREE CUSTOMIZATIONS and EXCHANGES. PLEASE CHECK "SOLD BY" SELLER NAME, ONLY SNUGGLE-PEDIC PRODUCTS SOLD BY RELIEF-MART, INC. ARE GUARANTEED GENUINE AND WILL BE BACKED BY OUR WARRANTY, 4-MONTH SLEEP TRIAL, AND FREE PERSONAL CUSTOMIZATION POLICY ZIPPER REMOVABLE COVER SYSTEM ALLOWS FIRMNESS ADJUSTMENT LAYER EXCHANGES THAT WE OFFER COMPLETELY FREE IF YOU ARE NOT SATISFIED WITH THE SUPPORT OR COMFORT. Our Kool-Flow Extra Breathable Micro-Vented Cover Made In The U.S.A. with 43% viscose of bamboo, 56.4% polyester, .6% lycra KEEPS YOU COOL ALL NIGHT LONG! Twin: 38 inch (width) x 75 inch (length)x 10 inch (height) Twin XL: 38 inch (width) x 80inch (length)x 10 inch (height)* Full: 53inch (width) x 75 inch (length)x 10 inch (height) Queen: 60inch (width) x 80inch (length)x 10 inch (height) Short Queen: 60inch (width) x 75 inch (length)x 10 inch (height) Twin: 38 inch (width) x 75 inch (length)x 10 inch (height) King: 76inch (width) x 80inch (length)x 10 inch (height) California King: 72inch (width) x 84inch (length)x 10 inch (height)<br> <br> *Each Twin XL is a half of a split King