The popular Hydro Flask Wide Mouth series has been redesigned to look more streamlined without compromising with high-quality performance. This Trail Series special edition is 25% lighter than a basic HydroFlask. The narrow design makes it compatible with nearly all bottle pockets on different kinds of backpacks. The Wide Mouth series is designed for everyday use and it suits for your various needs. the wide mouth makes it easy to drop in some ice cubes, allowing you to enjoy ice-cold drinks also on the hottest summer days. - Double-wall vacuum insulation ensures your drinks will stay hot for 12 hours or cold for 24 hours - 18/8 Pro-grade stainless steel protects against flavour transfers - BPA-free - Durable powder coat - Lifetime warranty Wash with soap and warm water.