Piece together 16 panels of putting green for a realistic putting experience into recessed, regulation-size cups. Green is Country Club speed (rated an 8 on the Stimpmeter) and cups are interchangeable for multiple pin locations. Entire system sets up in minutes and stores completely in an easy-carry bag (included). Weather-resistant for both indoor/outdoor use. Set includes 16 putting green panels, 4 recessed cups, 4 flags, and storage bag. Each panel is 18" x 18" (46 cm x 46 cm) and set measures 8' x 8' (2.5 m x 2.5 m) when fully assembled.