with it you can lie underneath the canopy of a tree, surrounded by a defined, natural space, forming both a sculpture and an inviting and luxurious outdoor furniture.The materials in WAVE Hammock consist of electro-polished stainless steel and perforated fabric, one type for the upper roof section, and another for the lying section. The fabric is semi-transparent, and at the same time it offers protection from the sun, blocking 86 percent of the sun's rays.