OULII Ball Billiard Triangle Rack Sheet Cue Accessories for 9 10 Ball, 6-Pack, Black Color: Black. Material: Plastic. Dimensions: approx 24.5 x21.5 cm. Thickness: about 0.1 mm. Make sure to place a perfect sphere and save time. Loss of tablecloth. Suitable for use of pool hall and individual. Applicable for placing 57mm Nos. 9, 10 ball.