This superior quality foam board is designed to be rigid, sturdy and easy to cut – making it highly versatile and ideal for mounting, as backing material for prints, making models and framing flat artwork. This polystyrene board, from trusted brand Westfoam, is covered with acid-free paper for a smoothly finished surface. At 10mm thick it is rigid and reliable without being bulky. There are 5 different sizes available, so you are sure to find the perfect one to suit your needs. The board comes in multi-packs of 5 to 10 sheets, depending on the size selected. - Surface texture: Smooth - Acid free: Yes - Product dimensions: 101.6 x 76.2 x 1cm (30 x 40 inches) - Page size: 30 x 40 inches - Brand: West Design - Sub Brand: Westfoam - Surface pattern: Plain - Thickness: 10mm - Colour: White - Rigidity: Rigid - Main material: Polystyrene - Used for: Mounting prints, as a backing material, modelling, framing - Number of pieces: 10