The size of the rim is 11.5"Product Dimensions: 13 x 15.8 x 3.2 inchesHamper Hoops by Wham-O is a 2-in-1 over-the-door basketball hoop with detachable laundry bagTurn chores in a game and put an end to cluttered floors and missy piles of clothesNOTE:a mini ball is not included