This backpack is the perfect companion to any new breastfeeding mom. Whether you are exclusively pumping and bottle feeding or exclusively breastfeeding with the occasional pumping session. Super lightweight, lots of pockets and the built in cooler compartment helps to keep everything temperature regulated! PORTABLE DESIGN AND LIGHT WEIGHT - It can be carrying by hands or your shoulder conveniently and fashionably. DOUBLE LAYERS BOTTLE COOLER,LUNCH BACKPACK -Top layer is designed for some dry objects and fit into most breastpump carry. Bottom layer is storing and transporting up to 6 breast milk storage bottles from any brand with a large ice pack. MULTI-FUNCTION - It can use as backpack, It is very elegant and suitable for many occasion like shopping,working, a little traveling etc,its no only a breast pump bag it also can use as a lunch bag,litler travel bags. BAG CARE - Hand wash in tub with mild detergent or spot clean as needed. Hang upside down to dry ELEGANT PORTABLE AND PROTECT YOUR BREASTMILK - Take the stylish bag anytime and anywhere.Whether your at work,at the outdoor,or at a travel,you can rest easy knowing you have a place to store wherever you pump.The Cooler bag locks in the cold while keeping your breast milk free of bacteria and full of the key nutrients your baby needs for healthy development .