Tupperware 3-Piece Wonderlier Bowl Set 6- , 8-3/4- , 12-cup bowls for mixing, serving, and storing food Virtually airtight, moisture-proof seals preserve freshness, flavor Made of rugged plastic, with pastel, True Blue seals Stack for compact storage; nest when empty; dishwasher-safe Lifetime warranty against chipping, cracking, breaking, peeling