The 40oz SISTERS Bottle is the perfect accessory to stay hydrated all day long. Made of durable stainless steel, this reusable bottle is eco-friendly and environmentally conscious. Available in several attractive colors, it's perfect for any style and occasion. In addition to being stylish and practical, the 40oz SISTERS Bottle supports a worthy cause. For every bottle sold, $1 will be donated to La Maison d'Ariane , an organization whose mission is to empower women and children who are victims of domestic violence and advocate for the elimination of this social problem. So, by choosing this bottle, you're participating in a philanthropic endeavor while also purchasing a quality product.