@missanmiddle it uses a rechargeable battery for power and the pump slides inside a regular bra and mimics the sucking action of a nursing child. Milk is expressed through tubes into four-ounce storage bags that fit inside. It appears as if you do not need an airtight seal but a bra to apply a certain amount of pressure. https://www.medgadget.com/2018/01/willow-wearable-breast-pump-ces-2018.html and this one blob:https://www.engadget.com/2ed180bf-b602-4734-a65c-95eba627664b might help to show it a bit better
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@missanmiddle it uses a rechargeable battery for power and the pump slides inside a regular bra and mimics the sucking action of a nursing child. Milk is expressed through tubes into four-ounce storage bags that fit inside. It appears as if you do not need an airtight seal but a bra to apply a certain amount of pressure. https://www.medgadget.com/2018/01/willow-wearable-breast-pump-ces-2018.html and this one https://www.engadget.com/2017/01/10/how-willow-smart-breast-pump-won-ces-2017/ might help to show it a bit better
@missanmiddle it uses a rechargeable battery for power and the pump slides inside a regular bra and mimics the sucking action of a nursing child. Milk is expressed through tubes into four-ounce storage bags that fit inside. It appears as if you do not need an airtight seal but a bra to apply a certain amount of pressure. https://www.medgadget.com/2018/01/willow-wearable-breast-pump-ces-2018.html
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@missanmiddle it uses a rechargeable battery for power and the pump slides inside a regular bra and mimics the sucking action of a nursing child. Milk is expressed through tubes into four-ounce storage bags that fit inside. It appears as if you do not need an airtight seal but a bra to apply a certain amount of pressure. https://www.medgadget.com/2018/01/willow-wearable-breast-pump-ces-2018.html and this one blob:https://www.engadget.com/2ed180bf-b602-4734-a65c-95eba627664b might help to show it a bit better
@missanmiddle it uses a rechargeable battery for power and the pump slides inside a regular bra and mimics the sucking action of a nursing child. Milk is expressed through tubes into four-ounce storage bags that fit inside. It appears as if you do not need an airtight seal but a bra to apply a certain amount of pressure. https://www.medgadget.com/2018/01/willow-wearable-breast-pump-ces-2018.html