To help save marine life, a craft
beer company developed edible
6-pack rings. Florida’s Saltwater
Brewery wanted to help protect
the ocean from plastic pollution,
so they created the rings from
beer byproducts and made them
completely safe for both
humans and animals to eat. Source

from http://kianorshahmohammadi.com/post/154527018840

From http://dentaleconomicsus.tumblr.com/post/154527198648