Your perfect travel companion the Standard mouth 21oz Bottle from Hydro Flask keeps life moving. It stashes easily into a small shoulder bag, your pack’s side pocket or your cars cup holder, and holds enough ice-cold goodness to keep you going for hours without weighing you down.Product Information:• Product Code: S21SX-750• Versatile, middle-of-the-road size• TempShield™ insulation eliminates condensation and keeps beverages cold for up to 24 hours and hot for up to 12 hours• Durable 18/8 Pro-Grade Stainless Steel construction• BPA-Free and Phthalate-Free• Compatible with Standard Mouth Insulated Sport Cap• Volume 621ml• Mouth Diameter 1.91”• Diameter 2.87”• Height 9.4”• Weight 11.3oz (320g)