The ultimate in versatility: use the Coleman 4-N-1 Quickbed as two separate twins, zip them together to make an instant king-sized bed, or stack them for a luxurious double-high twin! Each twin measures 74"x39"x5", with Coleman"s ComfortSmart system feature 32 coils in each half for reliable firmness and stability. The 4-N-1 Quickbed is durably constructed of heavy-duty, puncture-resistant PVC, with a soft suede top for extra comfort. The Quickbed is easy to inflate and deflate, thanks to Coleman"s extra-wide Advanced Double Lock Valve. Like all Coleman inflatable products, this Quickbed features Coleman"s Airtight System, guaranteed not to leak. And the built-in Wrap "N" Roll storage system makes packing and storing quick and easy.