Explore Shanghai MSD's Double Wall Fabric—an advanced PVC drop stitch material engineered for high-pressure inflatables. Its 3D hollow structure ensures a flat, rigid surface ideal for paddle boards, gym mats, air tracks, and more. Lightweight and customizable, it offers UV resistance, anti-mildew, and flame retardant properties. #InflatablePVCMaterials #DoubleWallFabric #ShanghaiMSD