Features: The bulk insulated tumblers can preserve your drinks cold or hot for hours, making you enjoy your every sip, and bringing you an enjoyable drinking experience. The tumblers with lids are sturdy and firm, washable, easy to care for, reliable, and reusable to accompany you for a long time. Specifications: Material: Cups: 304 stainless steel Lids: ABS Color: as is shown in the pictures Capacity: about 450 ml/ 16 oz Package includes: 36 x Stainless steel tumblers Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.