Just look at the large color variation. These 7mm pens are sleek, colorful, and make excellent gifts for all occasions. The many colors shown on our website are just a few of the colors that are available. This page contains RhinoPlastic pens that are sturdy yet delicate at the same time. Nothing lights up the holidays better than a gift that is colorful, striking, attractive and a treasure to keep for a life time. These pens are made in the US and all are handmade.