【MATERIAL】: High-performance HIPS (High Impact Polystyrene) sheets in white color with smooth finish on both sides. 【QUALITY】: Rigid, lightweight, and highly impact-resistant. Offers excellent dimensional stability, low moisture absorption, and is incredibly easy to fabricate, thermoform, paint, and glue. 【DIMENSION & PACKAGING】: Ten pieces of 12x12 inches (303*303 mm) with a thickness of 0.04 inches (1mm) rigid High Impact Polystyrene Sheets. 【USAGE】: Widely used for vacuum forming and thermoforming. Perfect for scratch-built scale models, hobby crafts, custom signage, retail displays, backing boards, product prototypes, and DIY fabrication. 【NOTE】: It can be scored with a utility knife and snapped cleanly, or cut using heavy-duty shears, laser cutters, and plastic cutters. Please ensure you peel off the protective clear film on the front side prior to processing or applying adhesives.