You can protect your environment and be more sustainablewith this water bottle because it will contribute in decreasingthe disposable plastic use. It is made of unbreakable,waterproof, leak proof,environmentally friendly, easy-to-clean high quality stainless steel material. In addition, this Water Bottle protects your water with its healthy protection feature. , , It has 500ml capacity, thus you can carry the water that you need adequately with you in sports, hiking and more.