Material: Copper bottom plated with 18K gilding, this method ensures a stable and non peeling color Gems Size: Triangle side length of 3 or 4mm，Pentagram diameter 5mm or 4.5mm, Gold / silver glitter 3.5-5mm, Cross 3.5-4.5mm, Diamond 3.5-5mm ,lightning 2-5.5mm, Dollar 2-4mm, Strar 3.5-5, and more size as shown in the detailed diagram. Quantity: 9 Boxes in 1 package, 3 Pcs in 1 box. Color: Golden 8 boxes, Silvering 1boxes. Gems Package: Advanced round box, spiral mouth, built-in high quality sponge. Round Box size: 3 * 3 * 1.5cm Gems Quality: High quality and durable. Gift attachment: Professional gems pick up and debugging tool, details can be found in the manual,or ask for Sandradent. Installation of gems matching products: requires professional adhesive 3-piece set, solidify tools, and other related cleaning items. Note: Although the gems base is thin, it is made of specially process red copper and brass. Each batch of products is not limited to red copper or brass, but they are all safe copper. It is best to use products packaged by Sandradent. Please note that the product quality is very light and is easily adsorbed by the box cover. Before rotating the cover, please remove static electricity first and then carefully unscrew the cover, If the gems is adsorbed on the lid, please use a gems pen to remove the gems