"I've got already the smaller Tritan bottle for my granddaughter for school. This one is the new hot thing in Germany, not the cheapest, but the people love it. If you dont have to deal with preparing drinking bottles every day in the morning for your kids, you might not see the difference... And I will get one of the stainless steel bottles for me. Cant remember Hydro Flask is offering a cap, both leak-proof and easy to drink from..."