Tupperware Snack Cup Fruit Seal Set of 4 Rare Set of 4 versatile 4-oz. (120 mL) containers with seals. Seals include a small tab for easy removal Sheer Ice containers with Opaque Blueberry, Tangerine, Kiwi and Pink Grapefruit Seals Dishwasher Safe Perfect for bite-size snacks or single servings. With their virtually airtight and liquid-tight seals, you can fill these containers with a snack and carry in a purse, briefcase or backpack and not worry about leaks. They're perfect for children's snacks or keeping track of small quantities in cupboard or fridge.