PP hollow board composition is polypropylene (PP),which is high-purity hydrocarbons, non-toxic, resistant to good, can burn, no pollution problems, and more environmentally friendly.Since PP hollow plate having a flat shape, light weight, impact resistance, oil proof, moisture-proof,can be applied in the range of containers, display license plates, daily necessities, stationery, building materials, protection board, even the protect materials of electronic components.And it is better than paper for the pressure resistance and water resistance, can be  recycled,which is is an excellent alternative packaging materials.