PP hollow board (also called the coroplast sheet, hollow isolating boards, corrugated board, twin-wall board,corruagted plastic sheet,coroplast ) is light weight hollow structure, non-toxic, non-polluting,Waterproof,shockproof,anti aging resistance, corrosion resistance, rich color of the material. Available in a range of sizes, weights, colours and grades. We can help you select the correct grade for your application, or develop a custom solution to suit your requirements. Call us to discuss your detailed needs. Ask about our Just-in-time Manufacturing and Fast Delivery services.