8" Personal Comfort A2 Number Bed - Twin Size - Better Sleep on a Number Bed Mattress 8 Mattress Height - Latest Number Bed Technology Designed and Assembled in the U.S.A. by a FDA Registered Facility 25 Year Warranty - 3 Year Full - 22 Year Prorated - Covers Mattress and Air Control System. Fast FedEx Shipping - Assembly Required - Mattress Only (furniture not included)