2 way Glue Pens come in 3 different sizes. The fine glue pen has 1mm tip, the medium glue pen has a 5mm tip amd the jumbo glue pen has a 15mm tip. When wet the glues blue but turns clear when dry. These pens are great for putting glitter on cards or balloons and when you want to add your own little touch to something these pens will make it easy for you to do so.
