Concepts Lighthouse Print Blue Striped Fabric Sand Filled Door Stopper 5"x9" This 6W X 6L sand filled fabric bag is heavy enough to hold open most doors. The cheerful lighthouse print makes this more than just a bag of sand. Made of fabric, this bag is tough enough to last you for many beach seasons. The double knotted light brown string that holds the bag together adds an additional nautical touch to this door stopper. Made from cotton and polyester the sand in this doorstop will be well contained which will prevent sand from spilling all over your floor.