Sewanz Men's Rhinestone Green Bamboo Lapel Stick Brooch Pin for Suit Sewanz is a US registered trademark with the high quality. Size: 4.2x4.2cm Weight: 14g Material: Alloy & Rhinestone That is the best gift for gentleman,it great for wedding, party, prom, business,or daily wearing,etc. If you stop to wear the product, please seal save, prevent oxidation, maintain the luster of the products.