Silicone, BPA-free breast milk bottle case with a double star jar function to collect breast milk without waste. - Brand: medela - Product Name: Silicone Breast Milk Collector - Material: Silicone - BPA Free: Yes - Features: Double star jar function - Design: Transparent container with a yellow cap Purchased new from another person and used once. It has been sterilized and stored, but as it is stored at home, please consider this if you are interested. There is a tear on the top of the box. If you have any questions, please feel free to comment. Thank you for looking.