The IWB102VW is a 102" diagonal, 16:9 item with VIEWING dimensions of 50" x 88.9" (h x w). Self-Adhesive Dry Erase Whiteboard Projection Screen Pad. Stick it on, Project and Write. Ideal for short throw lens projectors, interactive pens/projectors - Dry erase pen and eraser are included. The material is VERSA WHITE with a 1.1 gain and the models all have a one time sticky backing -So once the adhesive is used-the pad/material is there to stay.