Tupperware Tumblers 12 Ounce Set of 4 with Seal Watermelon Tupperware 12 oz Tumblers with Seals Watermelon color with coordinating seals Virtually airtight, liquid-tight making these idea for transporting beverages to work or school, picnics, sporting events, etc. Classic style tumblers, straight sided, stacking for convenient storage Dishwasher safe