Curved safety pins size: 2 dimension of safety pins are included, 27 mm/ 1.06 inch and 38 mm/ 1.49 inch These curved safety pins are made of nickel-plated steel which is durable, rust resistant and don't worry about fading. The safety pin is curved with natural angle and the pin is sharp, which is easier to insert into multiple layers of fabric than straight safety pin. Fit for various crafting, quilting, sewing projects, even jewelry making, these safety pins can fasten things together with minimum risk of damaging. Package includes 200 pieces of curved safety pins, 100 pieces of 27 mm pins and 100 pieces of 38 mm pins. Can fit your different craft projects demands. Dimension 27mm/ 1.06inch, 38mm/ 1.49inch Material Nickel-plated stee.