Waterproof cushion for outdoor use and method for manufacturing the same

In a furniture cushion for outdoor use of the type including a pair of opposed side layers, each formed of woven fabric material, and attached to each other along their respective peripherally extending regions to define an interior space therebetween and a filler material located substantially throughout said interior space, the improvement comprising:

• said fabric material is formed of filaments at least the outer surfaces of which comprise thermoplastic material, a thin interlayer formed of water impervious plastic material having a peripherally extending edge region interposed between peripherally extending edge regions of said pair of opposed side layers, said peripherally extending edge regions of said side layers and interlayer being heat sealed to each other to form a continuous seal band extending around the entire periphery of the cushion, said interlayer extending entirely through said interior space to divide the latter into a pair of adjacent isolated chambers separated by said interlayer and wherein said filler material is located entirely in one of said chambers such that said interlayer is contiguous with the inner surface of one of said side layers and spaced from the inner surface of the other of said side layers by said filler material.