Tupperware Preludio 6 Tumbler Cups Blue Snowflake Set Acrylic Stackable Vintage Vintage Tupperware Preludio tumbler cups in cobalt blue with a snowflake pattern. These vintage cups are made of acrylic and have a retro style design. They have a capacity of 10 oz and 14 oz and are stackable, making them convenient for storage. Approximately 3" diameter and 3.75" tall. Approximately 5 5/8” tall with a top diameter of 2 7/8”. These show normal wear and some have crazing. Insides are smooth and show light marks from stacking. No chips or cracks. Good pre-owned condition. From a smoke-free home.