Top quality jersey press fasteners from Prym. These are medium strength fastenings made of brass and are all rustproof. They can be applied to many different types of fabrics but are especially suited to jersey. This product features a smooth cap design and a 12 mm diameter, making it ideal for thinner and stretch fabrics. The serrated ring means no hole making is necessary, ensuring easy fastening strength for a neat, solid, and professional-looking closure for handmade clothing. Each unit contains 1 x Prym Smooth Cap White (12mm) Non-Sew Press Fasteners Jersey.