
Gunmetal Stainless Steel Wine Glasses Modern Wine Tumblers for Red and White Wines. Premium SS304 Material: Constructed from food-grade SS304 stainless steel for durability and safety. Unbreakable Design: Modern tumbler shape offers rustproof and unbreakable performance for outdoor use. Custom Color Options: Available in Silver, Black, Copper, Gold with custom colors upon request. Comprehensive Certifications: Holds FDA, LFGB, SGS certifications and ISO9001 factory standards. Full OEM/ODM Service: Supports customized designs, materials, sizes, and free design services from RD. Multiple Logo Processing: Offers laser engraving, silk printing, embossing, UV printing, and etching options. Fast Sample Delivery: Samples available with a lead time of 3-5 working days. Strict Quality Control: Undergoes three strict quality checks on raw materials, production, and finished goods.