For the wee ones, our adapters and Sippy Spouts from Aventâ„¢ convert any Klean Kanteenâ„¢ Classic into a spill-proof, BPA-free, toddler-friendly Kanteen.

The adapter screws right into the Klean Kanteenâ„¢ bottle and the Avent Sippy Spout connects to the adapter

• Comes apart easily for thorough cleaning
• Kid-friendly design
• No BPA, phthalates, lead or other toxins
• Interchangeable with all Classic bottles sizes
• Dishwasher safe
• Cap is leak proof

*Adapter and Sippy spout sold separately