This Outsunny lawn roller water filled is great for flattening uneven ground caused by moles or frost-heaving and packing down newly sown seed or sod. The roller inside has a 46L capacity to fill the water or sand. It is easy to fill and drain with a large filling hole. It has a painted surface, is not easy to rust, and its smooth edge will not damage your lawn when turning. Stylish and functional, it is a must-have for your patio accessories!