Perfect for hot and/or cold beverages High-grade stainless steel 17 oz (500 ml) Dimensions: 10.5″ × 2.85″ (27 × 7 cm) Vacuum flask Double-wall construction Bowling pin shape Odorless and leak-proof cap Insulated and suitable for hot and cold liquids (keeps the liquid hot or cold for 6 h) Hand-wash only (dishwasher not recommended due to vacuum seal)