Eco-friendly Coloured Seed Pens (Box of 5) contains 5 coloured seed pens made out of recycled paper. This is packed in a round recycled kraft paper box. These pens have 90% less plastic than regular pens and are eco-friendly. The ink in these pens has a shelf life of about 2 years, whereas the seeds have a life of 1 year. Each pen can be used until the ink gets exhausted. The pen can then be put in a pot of mud, backside down. The capsule would dissolve in the mud, and the seed would get planted.