7 Sizes: The diameter of the eyes are about 8~17mm. And the hole is about 2.3~2.6mm. These sizes are suitable for most of dolls. Total of 72pcs with divider box, you could have more chioces to make crafts. Great values for you. Sewing Craft Buttons: These black mushroom buttons are suitable as decorative buttons for sewing clothes, fabric items or eyes of plush stuffed animals, and can be flexibly repaired in a variety of styles. Not Easy to Fall: Safety eye buttons are ideal because they are sewn in place, stay strong and don't fall off easily, ideal for sewing crafts and making bears, puppets, stuffed animals and crocheted critters. Do not Rust: It is made of plastic material, which is well-polished, smooth and durable. There is no small scratches and extra chunks of plastic. Plastic is less prones to rust and lasts longer than iron. It is realistic looking. Shining safety eyes make your crafts more full of life. Perfect for Crafts: The Eyes are suitable for all kinds of DIY crafts, such as dolls, bears, dogs, amigurumi crafts, crochet stuffed animal making. You could use it to make these crafts and it is definitely a meaningful gift to your friends, family and those who are craft lovers.