This roller attachment creates the same striking patterns on your lawn as those created by professional groundskeepers at prestigious sporting venues. The roller's frame attaches to the handlebars of any walk-behind push lawn mower. As you mow your lawn, the textured plastic roller gently bends grass in the direction of travel, leaving a 22"-wide "stripe" pattern in its wake. Unlike bulky lawn rollers that may weigh hundreds of pounds, this one is filled with only 16-20 lbs. of sand (not included) so you can push your mower without straining. The roller won't interfere with your mower's bagging system and lifts off easily without having to remove its frame. Assembly required. Made in the U.S. (9 1/2 lbs.)