From the manufacturer

All bottles age, even our premium TWIST bottles, with frequent use. When it's time for a replacement, simply detach the magnetic connector from your old bottle using a coin, and attach it to your new replacement bottle.

Refresh your bottle while saving resources with the TWIST 590 Replacement Bottle. 

Always BPA-Free and BPS-Free. Includes TWIST bottle. Does not include TWIST Connector or Base. 

Features

• Includes TWIST Bottle only
• Does NOT include TWIST Connector or Base
• Always BPA-Free and BPS-Free
• Leakproof, self-sealing bottle cap with high-flow valve
• Includes removable dust cap
• Compatible with all TWIST bases
• Dishwasher-safe without Connector
• Proposition 65 approved