Features: Color: Silver Package includes: 8 x Insulated tumblers with lids 8 x Stainless steel straight straws 8 x Straw brushes Easy to clean and the wide opening is also convenient for you to clean Material: 304 stainless steel Capacity: 30 oz Cup mouth: 10 cm/ 4 inch Cup height: 20.5 cm/ 8.0 inch Cup bottom: 7.7 cm/ 2.8 inch Warm notes: Wash it before first use. Daily washing, wash by hands gently, not in the dishwasher. Due to manual measurement, please allow a slight difference in size. Due to different displays, there may be slight color differences.