Chipboard - Cardboard Medium Weight 30 point thick Chipboard Sheets Hardboard, Custom Packaging, Product Packaging, Environmentally Friendly Packaging Boxes - 25 Per Pack (4 x 6 inches) COLOR: Brown on both sides QUANTITY: Pack of 25 and measures 4 x 6 Inches, 30 point caliper thickness Backing Board Sheets SUPERIOR QUALITY: Each board is printed on high-quality 624 gsm VERSATILE: Protects products against normal shipping wear and tear, and weather conditions. ENVIRONMENTALLY FRIENDLY: Made from 100% recycled materials