Plastic.
🍋 MORE SUITABLE FOR DIFFERENT PRODUCTS: you will get different sizes of refrigerator organizers and matching filters, which can be used in containers or separately. Sizes from 0.3 liters to 3.15 liters [0.6 - 6.7 pt / 0.3 - 3.15 qt ]. Suitable for different berries, fruits, vegetables, meats, etc.
🍋 KEEP YOUR FRUITS FRESH: The refrigerator organizer has an airtight environment consisting of a sealing ring and locking clasp that prevents the loss of moisture from your food.
🍋 ALWAYS ORGANIZED: Refrigerator bins and organizers help keep your fridge organized by sorting, organizing, and prepping produce, fruits, vegetables, berries, meats, and more. They can be stacked to minimize the amount of space they take up when not in use.
🍋 FOOD GRADE MATERIAL: The fruit storage containers are made of food grade material PP, BPA free and durable. Suitable for temperatures from -22℉ to 284℉ (-30 to 140℃). This means the storage containers are dishwasher safe (lid not included), microwaveable (lid not included) and freezable.
EASY TO OPEN AND SERVE: You can prep and clean your fruits and berries, and your family can open the lid and serve the fruits or berries anytime, anywhere. Also a great idea for storing leftovers or preparing meals.