The water bottle is food-grade plastic-material, which is and safe, and is equipped with a leak-proof lid, which is sealed and leak-proof. The surfaces of the cup has football, and other football game patterns, which can change color according to the change of water temperature. The 710ml capacity is for replenishing your daily water intake, reminding you to stay hydrated and stay hydrated throughout the day. Reusable water bottle with airtight lid and matching reusable straw to take for office, school, gym or outdoor adventures. Suitable for drinking water, milk, beer and white wine or other liquids.