The 900ML Stainless Steel Thermal Water Bottle is designed for durability, performance, and convenience. Made with high-quality 304 stainless steel, it features double-wall vacuum insulation to keep drinks hot for up to 12 hours and cold for up to 24 hours. With a large capacity, leak-proof lid, and included reusable straws, it is perfect for sports, office, home, and outdoor activities.