ASelected 10 Pack A3 (420 x 297mm) Foam Board, 5mm Thick Polystyrene Foam Sheet for Model Making, Mounting Photos, Presentations, Arts and Crafts Projects (White)Package included: Total 10 pieces A3 (420 x 297mm) white foam board, thickness: 5mmeach, they are in well package with corners protected Internal PVC foaming, PVC veneer on both side, high density, high hardness, strong, rigid but amazingly lightweight Features high quality retention foam core, with strong flexibility, not easily deformed, easy to shape, easy to cut Suitable for sign making, photography backgrounds, mounting photos, model making,