An inflatable furniture system. In one aspect, the disclosed system includes: a pair of interchangeable inflatable cushions, wherein a bottom surface of each cushion includes a plurality of attachment loops affixed thereto; a substantially H-shaped inflatable arm/back rest that includes a bottom surface having a plurality of attachment loops affixed thereto; a plurality of extension straps, each with two ends, wherein each end includes an attachment loop; and a plurality of S-clips, each configured to connect a pair of attachment loops.