This is just a better way to store breast milk. This safe and convenient bottle and rack storage system allows you to store expressed breast milk according to date so the first bottle in is the first one out assuring that the milk you are giving your baby is always fresh. And it saves room in your refrigerator and freezer. Each Unit contains: *1 Sturdy coated metal rack that allows the bottles to roll forward *10 Polypropylene Bottles *10 Plastic Screws *10 Bottle Cap Plugs *Freezer Grade Removable Labels for Bottle Dating FREEZER AND REFRIGERATOR SAFE! CAN ATTACH DIRECTLY TO MOST BREAST PUMPS INCLUDING MEDELA! BOTTLES AND CAPS ARE WASHABLE IN THE TOP RACK OF THE DISHWASHER! Availability: Usually ships the next business day. mmateRetail Price: $30.00Sale Price: Milk Mate Replacement Bottle Set Additional Storage Bottles for the Milk Mate System. 6 per pack. Availability: Usually ships the next business day. Rplcm MMateRetail Price: $15.00Sale Price: FREE SHIPPING ON EVERY ORDER! Click to see our FREE SHIPPING & COUPON details! We are a member of the Better Business Bureau.