Great Alternative to A Shredder: Paper can be recycled after using roller stamp, no need for a shredder. Wide Coverage and Adjustable Length: The 3cm wide roller is perfect for covering large swaths of private information in a quick and clean way. Good Time Saver: Ink quickly dries. Stamp works well on all regular paper, envelopes and package addresses. One swipe and the info is covered, no need to go for a shredder. Unique design for Privacy Protection: Unique designed pattern combined with the formulated ink works on most papers and will mask out your private information. Comes with a retractable plastic blade that can help you cut the express seal. Because it is made of plastic, it will not hurt your hands, but you should still avoid contact with young children. Set: You will get two products of the same color. Ink is not included in the kit.