Hydrate in Style with Our 18oz Leak-Proof Insulated Bottle Features Material: High-quality 304 stainless steel inside, 201 stainless steel outside, with BPA-free components. Capacity: 18oz, an ideal size for daily hydration. Insulation: Double-wall design keeps drinks hot or cold for hours. Lid Design: Straw lid with a spill-resistant seal and carry loop for convenience. Portable: Lightweight construction fits easily in bags or cup holders. Package Includes 1 x 18oz Insulated Water Bottle Care Instructions Wash by hand only with gentle soap. Do not use alcohol-based cleaners. Not suitable for dishwasher or microwave. Let air dry thoroughly. Product Dimensions Height: 8.9 inches Diameter: 2.91 inches