Giant double sided fabric height chart from Haba measuring a total of 130cm with actual measurements of 65cm up to 150cm on one side and 25in up to 60in on the other. Use the six removable tower windows to display pictures of your children as they grow, moving them up the height chart. As each window is movable it means this chart can be used to measure up to six children. Window height is approximately 11.5cm with a viewing area of approximately 6.5cm x 4cm. The chart comes supplied with two wall hooks.