Non-woven products have many applications in consumer and industrial products, such as surgical masks, gloves, head covers, boot covers, pillow covers, cushion covers, diapers, sanitary napkins and other products. The non-woven products often have multiple layers of materials, such as non-woven fabrics of different textures, melt-blown fabrics and interlayer materials. The specially designed Solid Rotary Dies are the main tool to die-cut non-woven products, with blade height and angle can be made according to different applications to achieve ideal cutting results as well as welding results.