VEVOR Breast Pump Backpack, Breast Feeding Bag with Ice Pack, Fits for S1/S2, Pumping Accessories & Breastmilk Storage, Portable Pump Carrying Case for Work, Travel and Family Use, BlackProduct Features Fits Breast Pumps The breast pump bag measures 12. 6 x 7. 9 x 13. 4 in and fits specific pumps. It also stores up to four 9 oz 266 ml bottles (about 5. 91 in 15 cm high) Insulated Freshness The side zippered organizer pockets of the breast feeding bag uses waterproof lining with insulation to slow heat exchange. The included ice pack help keep milk fresh for up to 4 hours, even on busy days Large Capacity This breast pump travel bag