Color: Samurai Cyan Going Green: 64 oz Insulated Water Bottle is built with 18/8 (304) stainless steel that's BPA-free, reusable, and safe for all. It's rust-proof, and free from oder retain. Liquid can be fresh in its best taste for a whole day. 48H Cold & 24H Hot: Triple Insulation Technology adopts double wall and vacuum seal, keeps beverages cold for up to 48 hours and hot 24 hours. Anti-sweat coating can keep the surface dry and clean, making it easy to grip. Flexible Drinking On-the-Go: This half gallon water jug comes with 3 different lids. The screw-on lid with flip-up handle is for easy ice refilling with superior portability; spout lid makes it convenient to drink hot liquid and straw lid for sipping cold. Travel Longer: With 64 oz large capacity, the large water bottle allows you to enjoy your trip easier with fewer refills, perfect for hiking, camping and sport events. It's easy to stay hydrated and refreshed on exciting adventures with such a versatile bottle. Easy to Maintain: This stainless steel water flask is rustproof, sweat-proof, and BPA-free. Hand wash only and no abrasives. Do not put it in a freezer or microwave. Not for soft drinks. Be carefully of being scalded when handling hot liquids.