Use sand-fillable domes as markers, mini-game standards, and more! Use a target or obstacle by placing any 3/4'' to 1 1/4'' Dia. hoop in the horizontal slot. Or use as a marker or horizontal barrier by placing a wand or activity standard in the vertical hole. Constructed of ABS plastic. Domes weigh only 1 Lb. when empty and can support up to 12 Lbs. of sand. SIZE: 9" dia, 5'H. Set includes six domes, one each in Red, Blue, Green, Yellow, Purple and Orange.