Twist Pouches, Twist Direct-Pump Adapters, Twist Keeper, Twist Squeeze Natural Feeding Bottle, and Twist Active Latch Nipples are made of polyethylene (LDPE and HDPE), polypropylene, and silicone. 

All Kiinde Twist products are BPA-free, PVC-free, and pthalate-free.

All Twist nipples, adapters and cases are also top rack dishwasher safe.

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