... )high folding strength, without stink, smooth, durable; Environmental Friendly Insole Board 1. Product Information ItemEnvironmental Friendly Insole BoardModelX.C.D 818MaterialNon woven FabricSize36 ... , leather shoes, bagsFeatures1. good stiffness, folding & stability, water resistance;2. environmental friendly, breathable, healthy;3. moisture-proof, waterproof, comfortable;4. without formaldehyde ...