Based on Bainbridge Island, WA, Grain is a collaboration of design thinkers from the Rhode Island School of Design who share a vision of a more sustainable future. The Ty is a Draw-It-Yourself (DIY) shower curtain kit made of breathable, high-density polyethylene that will not off-gas and is recyclable. Included is a permanent marker, allowing you to customize your curtain according to whim. Available directly from Grain for $33.