The Hegen PCTO Manual Breast Pump is designed for comfort and efficiency. When combined with our Hegen PCTO bottles and lids, it completes a seamless express-store-feed transition with minimal wastage and oxidation of your precious milk. Make every drop count. Features: Lightweight and compact Single-handed operation Combines efficiency and comfort No transfer of milk necessary Fits all Hegen PCTO bottles BPA-free, Phthalate-free and PVC-free 24mm breast shield