This contemporary and elegant design of umbrella shaped wall panels is a one-of-a-kind art formation. Made with faux leather and PU memory foam, the 11 piece set measures 0.5 m2 (5.38 square feet). The umbrella pieces have a slight slope on the face, and all are self-adhesive. Just peel off the film and stick on the dust free wall. We suggest placing sticky glue tape or wall glue on the wall first, then applying the panels to the wall for firm support. You can purchase sticky glue tape or glue at any local hardware store. Then, simply design the shapes any way you desire. This panel comes in 4 different colors. You can also easily cut and trim the panel with a utility blade, if necessary. Best of all, this product is sound proof, fire resistant, and zero formaldehyde emission (environmentally safe). This product is sold in a 11 piece set (11 umbrella panel pieces = 1 item). Bring any room, office, or lobby to life with this 3D modern design.