MFC's Poly Boxes are made of a proprietary plastic that allows them to "tattoo" their artist's images into the box for a vibrant finish that lasts for years. This design has quickly become a favorite among anglers. Purchase the MFC Poly Box Leaf Insert (sold separately) to double the Poly Box's fly capacity!Features Include:Double sided fly boxMFC artist series boxesGraphic printing method adds a vibrant finish that lasts for yearsDesign has quickly become a favorite among anglersDimensions: 5.75" x 3.5" x 1.5"