24 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-FreeConstructed from acid-free polystyrene foam with matte paper on both sides. The foam core resists acidic elements in the air, effectively helping to slow fading and yellowing of artwork. It is an ideal choice for creating and preserving precious works. It is also a great material for parent-child writing and doodling activities Smooth and Seep-ProofThis foam core board features smooth, burr-free surfaces on both sides with superior leak-proof performance. Designed specifically for watercolor, acrylic, and other paints. The internal foam core is thick and sturdy, preventing paint from penetrating the panels.

Helps achieve uniform color coverage. Supports double-sided use, providing twice the space for your creations Protective PackagingEach package contains 24 foam boards measuring 20 x 30 x 3/16 inches (5mm). Compared to 3mm foam board, this 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 reducing shipping damage rates Lightweight and Easy to CutThese thick poster board foam panels combine lightness with toughness, and also offer excellent resistance to bending. Easy to transport, quick to set up, and 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 ApplicationsFoam 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 the preferred choice for artists, educators, students, and professionals