The stainless steel thermos bottle from Smikkels is double-walled and vacuum insulated, keeping drinks warm for up to 12 hours and cold for 24 hours. Perfect for school, on the go, or during sports! This bottle is made of 18/8 food-grade stainless steel, completely food-safe and free from harmful substances. The 350ml stainless steel thermos drinking bottle from Smikkels keeps your tea wonderfully warm or your water ice cold everywhere. This updated version is equipped with a new straw lid, designed for even more ease of use and reliability. The drinking spout is easy to open and seals perfectly, ensuring the bottle remains completely leak-proof, even in a full backpack. By using steel and PP plastic, the thermos bottle is strong and durable.