Teaching protractor set size: 50cm color: yellow material: plastic conform with EN71 and ASTM Teaching protractor set Details of sets :triangle set, teaching compasses,both 50cm length ,thickness:0.7cmWith handle to hold ,easy to useOEM is welcomed,different color can be made .All comforms EN71,ASTM standardsPacking:1pc/polybag, 48pcs/ carton,per carton approx.0.0045cbm