1. Weight: 80g-600g per square meter; 2.Thickness: 0.6mm-3.50mm; 3.Color: white, black, ... of colors according to customers’ requirement.4. Good stiffness, water resistance, folding and stability.5.Environmental protection, odor resistant, ... breathable, does not contain formaldehyde, heavy metals and other harmful substances.6.Moisture-proof, waterproof, absorbent comfort Paper Insole Board