Made of high quality plastic, Food safe BPA free material, no odor, translucent, reusable, stackable. Easy access to your stored stuff, help to make your life easy and organized. Excellent for storing, condiments, sauces, dressing, salads, fruit, baby food, healthy snacks and leftovers. Great for a variety of items. Great inside the refrigerator or freezer that organize them and keep the yogurt, meat, cheeses, eggs, fruit or vegetables fresh.