Permanent colour pencils in a standard size and hexagonal shape. They feature vivid colours and a special bonding process to make them break resistant. The classic coloured pencils are available in up to 48 different colours. Brilliant colours: silky, smooth colour laydown. Thick 3.3mm lead helps prevent breakage. Permanent colour pencils in hexagonal shape. Slim-Flexi for 12 & 24 colours case can be folded 360 degree. Slim-Flexi with built in tray prevent colour pencils from rolling and for easy colour selection and storage. 48 Colours.