Features: Achieve precisely fabric positioning with these 4mm round head sewing pins featuring anti slip plastic heads and rustproof construction, perfect for intricate sewing and dressmaking project requiring millimeter accuracy. Color coded sewing positioning pins with safety rounded heads enables quick visual sorting while preventing fabric damage, complemented by portable storage case for organized work maintenance. Essential for garment creators, ashion designers, sewing craft enthusiasts, parent, and professional tailors requiring quantity and durability, high visibility dressmaking pin for prolonged creative sewing craft project. Widely used for securing fabric drapes during dressmaking, fabric sewing project, marking intricate pattern, upholstery work, jewelry decoration, wedding dress decoration, quilting frame while creating costume, home decoration textiles, or layered craft project. The combination of color differentiation, light weight plastic durability, and securely grip design makes these dressmaking pins ideal for multiple project use across sewing, craft. Specifications: Component: Plastic; Metal Color: Colorful, White, Black, Red, Yellow, Blue, Green, Rose Red, Purpler Size: Approx. 4x15.3mm/0.16x0.6in Weight: Approx. 55g-150grams Package Includes: 1Pack Sewing Positioning Pin note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color