Package Includes: You will receive 100 sets of cover button kits, including 100 pieces of button covers, 100 pieces of button backs, and 2 pieces of button fastener tools. About Size: The button cover measures about 14.5mm in diameter, 4.5mm thick, 13mm inside diameter, and the button base measures about 13mm in diameter, 6mm thick, with a 3mm hole, while the button making tool measures about 20mm in diameter and 12.5mm thick. DIY Craft Kits: Do you want to add a personal touch to your clothes or other craft projects? Our fabric wrapped button making kits provide accessories you need to make a variety of fabric covered buttons in different patterned fabrics, great for adding a personal touch to your closet or completing other craft projects with a unique style. Versatile: The cover button kit is versatile and ideal for craft enthusiasts of all kinds. Whether you are an avid embroiderer, quilter, or a passionate wool knitter, this kit has everything you need to add buttons to your creations to make them perfect. Great Gift: This button cover kit with tools is ideal for your family and friends who love DIY crafts and sewing projects, provides all the essentials for making decorative wrap buttons, perfect for experienced sewers and beginners alike.