Black surface and black core. Much stronger then foam board, but about the same weight.
Bulletin Boards in Bulletin Boards, Cork Boards, and Letter Boards
Foam Board - Black 32x40 (25 sheets) : Office Products
Black Diamond Speed 40 Review
32 X 40 Foam Board
Kirkland Signature Men's Boxer Brief, 4-pack
Black 3/16 Foam Core 32 x 40 Mounting Boards - 25pk : Office Products
Black 3/16 Foam Core 32 x 40 Mounting Boards - 25pk
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Office Depot Brand Foam Board 40 x 60 White - Office Depot
Much stronger then foam board, but about the same weight. Rigid polystyrene foam core laminated between two veneers of resin-impregnated wood fiber.
1Case 6 pack 32x40x3 | 4 White Gatorfoam Board | Gatorfoam
Powabunga™ 32 Pack
Velcro Brand Sticky-Back Fasteners with Dispenser, Removable Adhesive, 0.75 x 5 ft, Black (VEK90086)
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