10 Sizes Sewing Buttons: package includes 340pcs half round sewing buttons in 10 sizes--diameter 8mm(100pcs), 9mm(50pcs), 10mm(50pcs), 11mm(50pcs), 12mm(20pcs), 15mm(20pcs), 17mm(20pcs), 20mm(10pcs), 22mm(10pcs), 25mm(10pcs); hole 2.2~3mm. Suitable size to stand out in decorations. Sewing Buttons: the plastic buttons are ideal for a variety of sewing, embroidery and knitting; usually applied in clothing, coats, shirts, dress, skirts, blouses, jeans, headbands, hats, gloves, scarves, etc. Imitation Pearl Buttons: the decorative buttons are made of plastic, smooth on surface, look like pearls in appearance, classic white and black, great for bridal wedding dress, satin blouse, formal dress and prom dress. Classic Design: the sewing buttons are designed in the shape of half dome, with a single shank on the back in good rigidity, easy attach to cloth material or fabric, perfect for fastening heavy clothing like tuxedos. Crafting Buttons: the small buttons can be also used for your DIY craft projects, card making and scrapbooking, the black buttons can be used as vivid eyes for bears, plush animals, crochet critters and so on.