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Ordered this for my bedridden dad. I knew the tray was small but the picture of the adult woman in bed makes the product look taller than it is. No problem with width and depth but the height of the legs is not 20 cm so the tray just ends up sitting on your lap with no support from the legs. The 20 cm height includes the tall edges around the sides. I will have to return. My pictures show that the actual space between the bottom of the legs and underside of the tray is only 6 inches so there is not much leg room. Suitable for a child or a small adult. I also feel this product is overpriced.