The express and go electric breast pumper and starter set makes breast feeding easy.With this product, there is no need to transfer  breast milk between bottles and storage bags, hence, you will never lose a precious drop. Mum expresses directly into a pre-sterilized  breast milk pouch, stores the pouch in the fridge/freezer( the storage case holds up to 12 pouches,Warms to the perfect temperature using the bottle and pouch warmer and feeds baby simply by clicking pouch into the bottle so your baby can enjoy every drop.In the case there are 1 electric breast pump,, 20 breast milk pouch 180ml/6floz, 2 pouch bottle, 1 pouch storage case, 2 medium flow teat 3m+, 6 breast pads.