Your perfect travel companion. Keep life moving with our 21 oz bottle and Standard Flex Cap. It stashes easily into a small shoulder bag, your pack&&';;s side pocket, or your car cup holder, and holds enough ice cold goodness to keep you going for hours without weighing you down. No wonder it&';s one of our bestselling water bottles. Product Details Versatile, middle-of-the-road size TempShield(TM) insulation eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours Durable 18/8 Pro-Grade Stainless Steel construction BPA-Free and Phthalate-Free Compatible with Standard Mouth Insulated Sport Cap Lifetime Warranty Size & Dimensions 21 oz Volume: 621 mL Mouth Diameter: 1.91" Diameter: 2.87" Height: 9.4" Weight: 11.3 oz