Our double sided rolling whiteboard on stand is guaranteed for at least 2 year_x000D_ _x000D_ Why choose our double sided mobile dry erase board on stands?_x000D_ _x000D_ 1. Double-sided dry erase board is made of high density foam with high hardness, moisture resistance and no deformation._x000D_ _x000D_ 2. 0.05 “thick bottom pipe + 1.2” wide locked wheel, which is tested to be very strong and stable, ensuring the safety of children’s use._x000D_ _x000D_ 3. The board’s surface does not reflect light and does not cause damage to the eyes, so it is the best choice for home, office, training and school._x000D_ _x000D_ 4. Our rolling whiteboard height can be adjusted by screw of the bracket on both sides, you have TWICE the writing space when you utilize BOTH sides._x000D_ _x000D_ 5. Our standing whiteboard is 40-50 inches high. It is more suitable for children’s drawing and learning, and adults’ brainstorming._x000D_ _x000D_ 6. All the stands are machine integrated production, only need a few simple steps according to the instructions can be installed, It takes about 10 minutes to install