Package Included: This package includes 40 pieces of stopper beads in 4 colors, sufficient quantity and a variety of colors are enough for you to use and replace in different projects. Simple Design: Flat round shape spacer bead, smooth surface, can be used with a variety of beads, necklace and bracelets; Sizeabout 10mm diameter, 4mm thick, hole: 2mm Rubber Inside: The stopper spacer bead plays an important role in jewelry making for spacing, fixing beads location, stopper jewelry accessories, preventing loss. Smooth Surface: These solid round brass stopper beads are seamless surface and smooth to touch, doesn't tarnish and stays shiny, they are sturdy and beautiful, it will add a little extra shine to your jewelry making projects. Wide Application: Perfect for jewelry making, handmade crafts DIY, spacer charms beads for necklace, bracelet, chains, jewelry making findings accessories, clothing accessory, curtain making, any DIY arts you like.