21 freezer bags perfect for storing breast milk. - Brand: Pigeon - Product Name: Breast Milk Freezer Bags - Quantity: 20 bags (+1 bonus) - Purpose: For storing breast milk Thank you for viewing. I used these a few years ago to store my child's frozen breast milk. I no longer need them, so I'm selling them. The box is very worn, so I will ship them in simple packaging. There are also 21 record-keeping stickers. If you'd like, I'll also include a pair of newborn socks as a bonus (see image 3).