From meal preparation, to feeding time, to food storage, Dr Brown"s BPA Storage Pods and Stackable Freezer Tray are designed to nourish. The system will help you to create nutritious beginnings that will lead to a healthy future for your baby. Includes six food storage pods and one stackable freezer tray. Convenient for food prepartion and storage. Each air-tight silicone pod holds up to 3 ounces of baby food. Nutritionist and mom designed to promote healthy habits. Includes bonus guide to introducing solid food.