800 ml replacement drinking bottle for the magnetic-mechanical bottle holder system. Every bottle ages – even the TWIST bottles can't work miracles. When a TWIST bottle is worn out, the bottle body can be detached from the sustainable magnetic connector and replaced. The change is simple: unscrew the belt from the connector, remove the connector from the bottle, place it into the new bottle, wrap the belt around the new bottle, insert the screws, and tighten – cheers!.