AVENTt Via Breast Milk Storage Bundle - 5 boxes for a total of 50x 6-oz. storage cups and 30x twist on lids. Pre-sterilized for immediate use. Sturdy, stackable, and writable cups with leak proof lid. Condition is "New" (Note: 1 box is out of shrink, but cups are sealed in plastic in the box). Shipped with USPS Priority Mail.