Create perfect thickness! Cut out cookies, pastry dough, rolled fondant, gum paste, chocolate. Includes two each of: Pink: 2 mm (1/16") Aqua: 5 mm (3/16") Lime: 7 mm (1/4") Instructions for cookie or pastry dough: lay a sheet of parchment paper or a silicone mat on the work surface. Set the 5 mm rulers (7 mm for thick cookies or pastries) on the each side of the parchment paper. Place cookie dough or pastry dough between the rulers. Roll over the rulers to evenly flatten. Instructions for rolled fondant or gum paste: lightly dust the work surface with powdered sugar. Lay the 2 mm rulers on the prepared work surface. Place gum paste or rolled fondant between the rulers. Roll over the rulers to evenly flatten. Instructions for chocolate: lay a sheet of parchment paper, a silicone mat, or a chocolate transfer sheet on the work surface. Put the 2 mm rulers on each side of the paper (or silicone mat or transfer sheet). Pour melted chocolate onto the paper. Drag one 5 mm or 7 mm ruler ove.