High-quality stainless steel material: This Klean Kanteen drinking bottle is made of robust 18/8 stainless steel, which is known for its durability and resistance free from harmful chemicals The flip sport closure provides easy handling that allows you to drink with one hand during activity. Ideal for cyclists and athletes who go on comfort and puncture safety Compact size for everyday use: With a volume of 355ml, this bottle is perfect for everyday use, whether cycling, hiking or for school or work Durable and environmentally friendly: This reusable stainless steel bottle is an environmentally friendly alternative to disposable plastic bottles, as it is durable and easy to maintain Easy cleaning and maintenance: the narrow bottle neck allows easy cleaning and hygienic use, while the stainless steel surface does not absorb stains or odours