20 Pack White Foam Board 12" x 16.5", 3/16" Thickness Foam Core Baking Board for Projects, A3 Polystyrene Mat Board Poster Foam Board Sheets for Art Crafts, Presentation, Wedding, School Projects

20PCS FOAM CORE BOARD: White foam board is made with polystyrene extruded foam laminated between two sheets of paper to form a lightweight but strong and rigid surface. Good for school projects or any other signs you need to make., 12" x 16.5" POLYSTYRENE MAT BOARD: Each foam baking board measure approximately 12 x 16.5inch but can easily be sanded and cut down to your preferred size and shape craft knife., 3/16INCH POSTER FOAM BOARD: Foam board with white paper throughout has a 3/16inch polystyrene Acid-free core, double side smooth surface allows you to embellish and customized them using flower, paint, rope, twine, ribbon, glitter and glue., MULTIPLE USAGE: This foam core baking board is ideal for a crafting custom signs and posters for school projects or party decor; Widely use as sign making, picture mounting, poster display and exhibition., PACKAGE INCLUDED: Come with 20 pack 3/16inch thickness foam board to ensure you always have one on hand for your next crafts projects.