Come and Check Our Branding Solutions.Our stainless steel cups are made of high quality 304 food grade stainless steel. With anti-scalding, heat insulation, cold function; BPA-free, odorless, maintains good rust resistance and long-term durability, and is not easily damaged or deformed. Suitable for adults and children. Perfect for outdoor camping, travel, hiking, beach, picnic and more. Drinks stay cool or warm longer, so they're a great option for outdoor entertaining. More environmentally friendly, safer and healthier than plastic bottles and cups.(We also support customization for 16.91oz or 7.78oz cups, welcome to inquire!) Pls check inventory and detailed info before placing your orders.