These nice quality chalk kits contain 48 FULL SIZE square pastel sticks that measure 2-1/2" x 3/8".These are student grade chalks with good quality pigment and the colors are brilliant. These fade resistant colors can be used on paper, board, rice paper, canvas, ceramics, porcelain, etc. Very nice quality at a great price.Apply with a brush, cloth, or by hand. Non-Toxic and easy cleanup with water.Great for scrapbooking, drawing, decorating ceramics and porcelain, and more. Spray with a fixative sealer for permanent protection of the finish.These chalks are made from finely ground color pigments and will maintain their finish look indefinitely.