Dear Sir Madam, Material:PPcorrugated plastic ( for packaging boxes ) Thickness:5 to 6 mm Size:2 ft x 4 ft color:, green, box making specification: : T 6mm 2ft x 4 ft Material:Plastic Density:customized Surface:smooth Certificate:ISO9001 Feature:Eco-friendly, waterproof Name:plastic corrugated sheet Application:packaing boxes