Robust Material: This yard roller is made of steel and painted to prevent rust and not be sunken easily. Its rounded edge has great rolling results that will not damage your lawn when turning U Shaped Handle: U-shaped handle for comfortable pull and push use, making the lawn roller tow behind easy to operate and not hurt hands Drain Plug: The yard roller tow behind includes a drain plug for you to add water or sand (46L capacity in total), great for flattening uneven ground caused or packing down newly sown seed or sod. Fill and empty with great ease Convenient Design: Featuring a unique push-and-pull functionality, this lawn roller offers versatility for both tight and open spaces. Easy mode conversion provides great convenience during lawn maintenance Easy Storage & Transport: It only weighs 20lbs without water or sand for easy storage and transport. Easy assembly is required.