LOSYHU 20 Pack 11.7"x16.5" Black Foam Board, 1/5"(5MM) Thick, A3 Size, Foam Core Backing Board Poster Foam Board Sheets for Presentations, School, Office & Art Projects

Premium Black Foam Board Thick --- Black foam core board 11.7” x 16.5”, Thick: 5MM / 0.2 Inch, comes in a comprehensive 20-pack, each sheet crafted from premium-quality polystyrene foam that boasts both durability and acid-free foam board properties

Lightweight But Strong Backing Boards --- The polystyrene foam sheet can be easily to cut into shape with craft knife, clean edges and meets your different specification

Smooth Surface Black Poster Foam Board --- Black foam board bulk has a smooth surface on each side board, mat white paper coating over the foam allows you to embellish and customized them using flower, paint, rope, twine, ribbon, glitter and glue

Multiple Usage Black Thick Poster Board --- Sheets of black foam board are widely used in DIY, arts and craft project, suitable for sign making, picture mounting and posters displaying, ideal for mounting boards and backing boards

DIY Crafting Black Foam Poster Board --- There are endless possibilities with these thick black foam boards. You can cut, glue, shape, and color with paints, markers and adhesives to make your own crafting