Stainless Steel Insulated BPA-Free Thermos Water Bottle BPA free, Stainless Steel, Reusable, Eco-friendly, Dual wall insulated construction, Non-sweat, Hot or cold beverages, wide mouth, lightweight, durable. Great for use at home, office, sports, and as gifts. A part of the proceeds is donated to charitable causes. Please visit bambouheart .com for more details. Unique vintage milk bottle design.