Royal Brites® Project Works® Poster & Project Carry Bag. Rain, snow, sleet or shine your project will always be protected with the Poster & Project Carry Bag. Waterproof and sealed with a zipper closure, this bag is perfect for transporting your projects in any weather conditions. This clear plastic bag is large enough to enclose posterboards, signs and other accessories. Also includes a sturdy rubber band. These shapes are a great tool for students who want to prepare science fair projects, school projects and school presentations. Use with our poster board, foamboard and project board.