iDrink bottle isnt just a bottle its pure art, a fashion statement, a way of living! This entertaining, safe, and practical bottle is made from durable 30 food-grade stainless steel with double-wall; it has impact and rust resistance and an airtight seal! The best thing is that you can mix and match your iDrink bottle caps, and it will always keep your drinks cold up to 24 hours or hot up to 12 hours no matter what! Sustainable, eco-friendly, and coming with zero waste, these bottles are the perfect example of premium Italian craftsmanship and style.