SIZE: 6mm(0.236inch) wide. 2-3mm (0.078 - 0.118 inch.) thick. After ordering, please let us know which ring sizes you need. All US 4 - 16 sizes are available. PACKAGING: Comes packaged in a black kraft box - ready for display and gifting. CARE: All our rings are water-resistant and waterproof as long as the finish is looked after. Hard rock Canadian maple is known for strength and durability, but excessive force could damage a ring or its protective finish. To maintain its shine and highly polished look recommended to avoid any extended exposure to water. Such as showering, swimming, washing dishes, and so on. Ring finish can be damaged when exposed to chemicals and solvents (antibacterial wipes, soaps, sprays, cleaners, repellents, and other products that contain isopropyl alcohol). Avoid abrasives and remove your ring before lifting weights or operating heavy machinery. Avoid moisture and rapid temperature changes.