Stay perfectly hydrated wherever you go with the Hydro Flask vacuum-insulated bottle. Designed to fit effortlessly into a small shoulder bag, your pack’s side pocket, or your car cup holder, this bottle is a convenient companion for your on-the-go lifestyle. It holds enough ice-cold goodness to keep you going for hours without weighing you down. TempShield double-wall vacuum insulation keeps beverages cold for up to 24 hours and hot for up to 12 hours. Made with 18/8 pro-grade stainless steel to ensure durability, pure taste, and no flavor transfer. Honeycomb Insulated Cap for maximum temperature retention. Color Last powder coat is durable, sweat-free to keep your bottle slip-free, and dishwasher-safe.