This 370ml whiskey glass tumbler is crafted from high-quality soda lime glass, featuring a diamond-patterned lower half for enhanced grip and visual appeal. Its machine-pressed construction ensures uniform thickness and durability, making it ideal for bar, restaurant, and hotel use. The transparent body showcases the drink beautifully, while the 4-piece set format supports OEM customization including logo printing and packaging. Suitable for bulk orders, this tumbler is a reliable choice for B2B buyers seeking stylish and functional glassware.