Serta I Series Hybrid TWIN size (extra long twin 38inches by 79inches) mattresses comes with remotes and frames. Both the head feet portion goes up and down and then the whole bed goes up into almost a standing position to help you get up out of bed Only used a few months Great for elderly or anyone who needs help getting up out of bed. Great for people with acid reflex, asthma, copd, sleep apnea, oh and those that snore because you can raise the head to sleep in upright position. Mattresses / iComfort® Hybrid / Blue Fusion 100 Firm iComfort® Hybrid Mattress type Memory Foam Hybrid Firm This mattress combines our TempActiv™ Gel Memory foam with a layer of Serta® Balanced Support Foam for a firmer feel with breathable, gentle cushioning. Your body gets exceptional support from our Serta® Hybrid Coil™ support system, built to deliver the ideal trifecta of comfort, support and durability. The Blue Fusion 100 Firm mattress is finished with our soft, yet durable TempActiv™ Balance Fabric for high-performance heat and moisture regulation. Featuring TempActiv™ Gel Memory Foam Compatible with Serta Adjustable Foundations