DecoArt Water Marbling Standard Comb - Perfectly sized for a 12 x 15 inch (30.5cm x 38.1cm) tray, this comb with various intervals of 'teeth' is used to comb through the paint floating on the surface to create a multitude of beautiful patterns. The 38 rust-resistant 1.5"(3.8cm) stainless steel teeth are spaced 0.25"(0.63cm) apart; total width 11.5"(29.2cm). Handle length is 17.5"(44.4cm). Care: Wipe teeth after each use to prevent paint build-up. Clean with water only. This package contains one water marbling comb. Made in USA.