This retractable net system has 2 spring loaded canisters, with a 2"W nylon band for quick game play in a variety of spaces. Use it on a playground or in an open space, or use it to divide a tennis court to get more players active at once! Simply secure the canisters by hooking them to an existing net, fence, or other stable item! Or, fill each base with water or sand for standalone stability. The system extends up to 22'L and bases adjust up to 44"H for a variety of ages. Set fits in a convenient zippered carrying case for easy transport. Set includes 2 Bases, 1 Net, and Carrying Case.