The maximum load of the toilet paper holder / paper towel holder is 1 kg. Waterproof and rust-proof carbon steel material: The paper holder is made of rust-resistant carbon steel. The exterior is coated with water-resistant safety paint. The material is, of course, safe, non-toxic and BPA-free. Reminder: Please be careful not to overload the paper holder when using it. Make sure it is mounted on a smooth, dust-free object before installing. Multiple mounting options: vertical or horizontal (left or right), the paper towel roll holder is ideal for mounting under the sink or on the side of a cabinet (on the cabinet door, under the cabinet) and is the perfect accessory to replace the countertop holder for perfect space utilization. Installation tip: If you have oil drops on your kitchen walls, please clean them before installation. It may come off more easily if the ambient temperature is too high or the surface of the object is rough. Therefore, move away from utility poles and water