LoveAmmes self-standing breastmilk bags transport your milk with ease from pump to freezer, to bottle. The high quality bags are pre-sterilised with irays and ready to use out of the box. The bags are leak-proof with features such as a double zipper guard and reinforced seams for the ultimate leak-proof protection. It has been mom-tested to be sufficiently robust for extended freezing!The bags come in a beautiful floral design, because beautifying little things in life brings joy. Practically, it comes with clear calibrated markings for you to check how much milk is stored in each bag.