Specifications:<br><p>Package size: 21.2*7.8*13.6cm</p><p>Item Weight:about 1087g<br>Material: PP for pen cap, HDPE for barrel, and sponge for pen tip<br>single pen size:: 18mm<br>Ink capacity per pen: 60ml<br>Recommended Age: 3 years old and above (Children MUST use the pen with parents’  supervision)</p><p>Tips: recap after every use.<br><br>Package includes:<br>12 x dot markers</p>