This sticker shows what Gemstash is good for... holding your gems! And it comes in a pack of 3 so you can share with your friends.

Gemstash is a Ruby open source project that is both a cache for remote servers such as https://rubygems.org, and a private gem source.

100% of the profits from the sale of this product goes to Ruby Together, to fund the continued development and maintenance of Ruby open source projects.