1.Hot & cold 2.Product Description Jiakang Double Wall Stainless Steel Vacuum Water Bottle 1.100% Leak Proof Cap 2.Capacity: 350ml/500ml/600ml/750ml/1000ml available 3.Materials: Stainless steel 18/8 high material 4.Keep warm: 12hours, keep cold: 24hours 5.Color: Black, red, green and metal 3.Made of food-grade stainless steel, this coffee mug is durable and easy to clean. it can be used for many years .Features a transparent lid that allows you to see what is inside the bottle and keep it from spilling out. Our stainless steel water bottle is designed with a carrying handle, which makes it easy to carry and store.