This lawn roller has a 16 gal. capacity and is equipped with a removable drain plug. When filled, it can hold up to 16 gal. of water or sand; the empty roller is lightweight, making it easy to transport. During use, rolling helps new seeds grow evenly, and it also fills in mole holes to improve the flatness of the lawn. It adopts a sturdy steel drum design with high durability, which can even handle rolling the sod in front of your house. The rounded ends of the drum ensure smooth rotation without damaging the lawn. The handle features a U-shaped design, allowing you to push or pull the water-filled roller around the garden effortlessly; the overall height of the lawn roller is 47.5 in., making it suitable for most people to operate. The assembly process is very convenient: first assemble the handle, then connect it to the drum, and you will have a ready-to-use roller! Assembly can be completed in a few minutes. If you have heavy, hard soil, it is recommended to use the roller for compaction after heavy rain or thorough watering for better results. In terms of dimensions, the overall size of the lawn roller is 19.5 in. L x 12.6 in. W x 47.5 in. H, and the size of the drum itself is 12.6 in. x 19.5 in. L, which is suitable for various lawn work scenarios..