Model: XO-CF39 Insulation: Double-wall stainless steel to keep drinks hot or cold longer Material: Food-grade 18/8 stainless steel, corrosion-resistant and BPA-free Design: Ergonomic shape for comfortable grip Lid: Leak-proof lid with sliding closure Cleaning: Dishwasher safe, hand washing recommended Use: Coffee, tea, water, soft drinks, smoothies and other beverages