Swiss made from a single piece of pure extruded aluminium resulting in a lightweight, seamless & durable bottle. They feature an exclusive hygienic inner coating which keeps drinks fresher for longer, whilst also preventing taste and odour cross contamination from previous contents. The inner coating is elastic, unbreakable & guaranteed to be resistant to fruit acids & isotonic drinks. Reusable, Recyclable and Eco-Friendly. Complete with a leak proof screw top.