The Klean Kanteen Classic 18oz (532ml) is our original stainless steel water bottle designed for kids and adults with easy hydration in mind. Single wall design is lightweight, small and easy to bring anywhere. Klean Coat powder coat finish is durable, chip-resistant and safe for people and planet. The 18oz size features a narrow profile for easier gripping, packing and carrying.-Narrow profile-Updated Sport Cap features removable soft silicone spout for easy cleaning-Chip-resistant Klean Coat finish except stainless-18/8 food-grade stainless steel-Won't retain or impart flavors-Easy Clean-Opening fits ice, fills and pours easily-Made from safe, durable, high-quality materialsFeatures: Dishwasher safe. BPA FreeLightweightSpecificationsCapacity 18 fluid ounces (532 ml)Weight 6.5 ounces (185.4 g)Size 8.9" H x 2.9" W (225.6 mm x 72.9 mm)Opening Diameter 1.75" (44 mm)Child Safety Warning: Sport Cap 3.0 not intended for children 3 and under. Not intended for chewing or teething. Always use this product with adult supervision. Always ensure the silicone valves are properly installed. Adult assembly required.