Description Perfectdecoration for kids room, bedroom, bathroom, kindergarten, nursery,etc. Easy to apply, remove and reuse without leaving damage or residue.Help kids to measure their heights, very beautiful and practical. Withfunny and creative cartoon piano pattern, it is amusing and practical.Features - Color: White and black.- Material: PVC.- Size: 115.00X20.00X0.10cm/45.20X7.86X0.04in- The height ruler with backing self adhesive, you just need to peel off the back then stick it on the wall.- It can be stuck onto any clean, dry, non-textured smooth surfaces: walls, tiles, furniture, mirrors.- This height wall stickers are made of quality material, easy to peel and stick, removable and waterproof.- Accurate scale and accurate recording to decorate children room, living room, playroom, school, classroom, dormitory.- Lovely cartoon piano pattern design makes it more attractive to kids.