The storm gray water bottle from Built Apex is perfect for staying hydrated and keeping your drinks cold. Its double-walled insulated design keeps hot drinks hot for up to 6 hours and cold drinks cold for up to 24 hours. With a capacity of 540 ml, it is ideal for carrying in a bag or for kids. This reusable bottle helps reduce plastic consumption and is made of corrosion-resistant stainless steel. Additionally, it features a leak-proof lid for added convenience.