Combines the thermal properties of an insulated vacuum bottle with the lightweight, flexible features of a plastic bottleDouble-wall construction creates a thermal barrier of air keeps heat out and cold in with a foil layer that reflects solar rays for additional thermal protectionConstructed of low density polyethylene (LDPE #4), durable, lightweight and FDA food grade approved material which complies with the Consumer Product Safety Improvement Act of 2008 (CPSIA) as well as California Proposition 65Contains no Bisphenol-A (BPA) or PhthalatesWide mouth allows ice cubes easily into the bottle and makes cleaning easy (Urethane drinking valve is removable for cleaning)Dishwasher and freezer safe and fits standard bicycle water bottle cagesMade in the USA. 20oz (132g) 24oz (144g)