MYFAMIREA 12 Pack White Foam Board 20" x 30", 3/16" (5MM) Thick Board Poster Acid-Free Foam Core, Double Sided Foamboard Sheets for Projects, Art, Craft, Presentations and Wedding Signage

["【Double-Sided Acid-Free】Made of acid-free polystyrene foam with matte paper on both sides. Foam core resists acidic material in the air, effectively slowing fading and yellowing of artwork. It is ideal choice for creating and preserving precious works. It is also an ideal material for parent-child writing and doodling activities","【Smooth and Seep-Proof】Foam core board features smooth, burr-free surfaces on both sides with superior leak-proof performance. Designed specifically for watercolor, acrylic and other paints. Internal foam core is thick and robust, preventing penetration of panels. Helps achieve uniform color coverage. Supports double-sided use, providing twice space for your creations","【Protective Packaging】Each package contains 12 foam boards measuring 20 x 30 x 3/16 inches (5mm). Compared to 3mm foam board, poster board offers both higher density and greater rigidity. Corners are reinforced, with internal bubble wrap protection and external tape wrapping. Finally sealed in a cardboard box, significantly reduces shipping damage rates","【Lightweight and Easy to Cut】Thick poster board foam panels combine lightness with toughness, also offers excellent resistance to bending. Easy to transport, quick to set up, suitable for all kinds of portable projects. Its edges are clean and sharp, allowing for easy cutting with a craft knife to create any desired project. It meets all your indoor and outdoor creative needs","【Versatile Applications】Foam poster board is ideal for school projects, crafting, presentations, wedding moon boards, signage, photo mounting, model making, and art exhibitions. Its surface is compatible with markers, paints, adhesives, and printing media, making it preferred choice for artists, educators, students, and professionals"]