The Vulcan Stainless Water Bottle

This water bottle uses double-wall insulation to keep drinks cold for 24 hours and hot for 12 hours. It has a loop handle, silicone spout lid, and powder-coated exterior. Available in 40 oz size, it is BPA-free and phthalate-free.

• The description claims that the bottle keeps drinks cold for 24 hours and hot for 12 hours.