Purchased in March 2025, but never used, so it's brand new. A pack of 5 sanitizing bags that can easily eliminate 99.9% of bacteria in the microwave. The box will be flattened for shipping. - Brand: medela - Product Name: Quick Clean Microwave Bags - Contents: 5 bags - BPA Free: Yes - How to Use: Easy to sterilize in the microwave - Sterilization Effect: Eliminates 99.9% of bacteria and germs - Sterilization Time: 3 minutes Thank you for looking.