Quantity: 260 pieces of curved safety pins (60 pieces of 37.5mm pins, 100 pieces of 28mm pins and 100 pieces of 31.5mm pins) and 3 pieces of plastic case in total, easy to use and store. .Brush pin material: These brooches are made of platinum color iron, rust resistant, durable, won't dull even after multiple use. .Special Curved Design: Safety pins are curved at right angles for easier insertion into multiple layers and fixed on clothes than straight safety pins.Wide usage: Suitable for various crafts, quilting, sewing projects, even jewelry making, these safety pins can secure things together with minimal risk of damage. .3 different sizes: 3 sizes of safety pins are included, 37.5mm, 27mm and 31.5mm, can fit your different craft project demands. .