WINOMO 6pcs Rack Sheet Billiards Triangle Cue Accessories for Ball and Snooker Color: Black. Material: Plastic. Dimensions: approx 24.5 x 21.5 cm. Thickness: about 0.1 mm. Make sure to place a perfect sphere and save time. Loss of tablecloth. Applicable for placing 57mm Nos. 8, 9 and snooker.