Neon Gel Ink Smens are scented clickable pens that write in colored neon gel ink. Each Neon Gel Smen is packaged in its own recyclable plastic freshness tube. A Neon Gel Smen emits its scent through the unique scent vent design. The plastic body of each Smen is recyclable just like the tube. There are 32 Neon Gel Smens per bucket and 10 buckets per case. Scents are guaranteed to last for 2 years.