Our 40 oz Wide Mouth water bottle is made of stainless steel, insulated, reusable, and sized for epic days. It keeps cold drinks cold for 24 hours and hot ones hot for 12 hours, thanks to our TempShield double-wall vacuum insulation. The large opening makes it easy to add ice and get a bigger gulp. This leakproof bottle is also BPA-free and features a durable stainless steel construction. The wide mouth opening is ice-cube friendly, making it easy to add ice to your drink. Please note that this bottle is not for use on a stove, in a microwave, or freezer. It's also recommended to keep hot liquids out of the reach of children. Available in a unisex design, this bottle is perfect for anyone looking for a reliable and versatile hydration companion.