The top sheet is made of soft, non-woven fabrics. The bottom is waterproof, breathable and soft cast film Description:disposable surgical under pad 30X40CM ,40x60cm, 60x60cm, 60x75cm, 60x90cm, etc other size as requestUsage: for incontient care, for medical use, for baby care, etc Construction:paper tissue or fluff pulp Products weight and size can be adjusted as requirements.Sterile by EO