Remove the teat, collar, and internal vent system, and screw on the cap – and you’re done! Seal the bottle when you’re finished pumping, when transporting, and even when warming the bottle. If you’re traveling by air, it’s the perfect companion, preventing the effects of a pressurized cabin on Dr. Brown’s vacuum-free bottle. 

Features:

• An amazing companion while traveling 
• BPA free
• Dishwasher (top rack only) and safe for use in the electric sterilizer, microwave sterilizer, or boiling water
• Wide Shape
• 2 Pack