Let freeze for 48 hours prior to use Ideal for children learning to skate Perfect for practicing your hockey skills Reusable tarp and frame Heavy duty construction Backyard ice rink can be made to a custom size up to 18' x 9'! Create an arena style rectangle rink or a thin shooting pad! 6" Tube Height creates are barrier than can accommodate up to a 5" slope of uneven ground! Quick and easy assembly, No tools required.