Fidlock Twist Life 700 Replacement Bottle Replace Your Old Bottles When your Fidlock Twist bottle wears out, you can easily replace it with a new one. The magnetic connector can be detached from the old bottle and is easily reattached to a new replacement bottle. The exchange is simple: Open the connector's locking with a coin, attach it to the new replacement bottle, and close the locking. The modular system saves resources and also makes a bottle upgrade possible. This bottle has a 700ml capacity, a large drinking opening with a screw top, and durable Tritan material. Features Compatible with all Twist bases Ultra-strong hold due to belt-only technology Large drinking opening with a screw top | Fidlock | Twist Life 700 Replacement Bottle 700, Transparent Black