Clover Corocoro Opener 57-655 Seam Opening, Seam Pressing, Crease Making, Crease Setting, Foundation Piecing, Paper Piecing, Sewing, Handmade ・Pressing while rotating, so there's no need to worry about stretching or damaging the fabric or seams. ・The thickness in the center of the roller allows for concentrated pressing of seams and creases, preventing the edges of the fabric from appearing on the surface. ・The easy-to-grip handle shape allows for firm pressing with light force, designed to reduce strain on the hand. ・Recommended for materials that cannot be ironed, such as laminated fabrics, and for paper piecing and machine piecing where seams are frequently pressed. It's also convenient for setting creases before ironing. ●Materials Roller: Polyacetal, Stainless Steel Handle: ABS Resin