Tough, durable injection molded plastic with smooth edges. Low profile clip with rubber grips holds paper securely. Contemporary transparent colors. Details:Clear in colorLetter sizeClipboard also features a 12" ruler on the edge, inches on one side, centimeters on other sidePack of 6 clipboards each; 1 packWrite with ease while you walk aroundTough, durable injection molded plastic with smooth edgesLow profile clip with rubber gripsPull-out hook for hanging