Direct-Pump ™ Adapters for breast pumps. Thawing and heating breast milk, powdered milk, and food in storage bags or bottles. Patented technology: preservation of nutrients in breast milk. Integrated timer. Automatic stop: 0 risk of overheating. 100% guaranteed BPA free, phthalate free and PVC free. How does it work ? Grab the breast pump Select the appropriate Direct-Pump ™ adapter Attach it to the breast pump then screw on the Twist ™ storage bag You are all set to pump! Direct-Pump ™ adapters are dishwasher safe and suitable for steam sterilizers.