Regulation Size 30 ft x 6 ft, however there is 24' x 6' available and two different styles. • Approved by Australian Indoor Biased Bowls Council (AIBBC). The only carpet approved and used for the National and International Indoor bowls competitions. These carpets are made from polypropylene polyester. The Life Style carpets are recommended for nursing homes & retirement villages etc whereas the Tournament is for actual showcase tournaments.