Every schoolkid knows that those tough plastic rings that hold six packs together can end up choking birds or sea turtles if they fall into the ocean, as so much of the world’s trash does. Now, one craft beer company has launched a new way to tackle this problem: fully edible, compostable six-pack rings.

Developed by the Delray Beach, Florida-based Saltwater Brewery and the ad agency Webelievers, the new rings are “made with byproducts of the beer making process, that instead of killing animals, feeds them,” the brewery writes on its website.

The rings are made of organic materials like spent barley and wheat, and are also biodegradable and compostable. The company says they are as tough as traditional plastic rings.

“It’s a great,