With this cap, the existing Sigg Hot & Cold bottle can be operated practically with one hand. Thanks to the lock button, the lock can be securely closed. This closure has been specially developed for people who want to enjoy their favourite hot or cold drink on the go. The Sigg Hot & Cold One cap fits all 0.3 L & 0.5 L bottles of the Hot & Cold collection. The handle allows easy carrying. The built-in tea filter is perfect for the use of tea leaves or fruit slices. It can be easily removed, making the bottle ideal for coffee.