It’s a set of 2 20 oz cups that screw onto a Vitamix S-Series base or Personal Cup Adapter. Each cup features a spill-proof flip top lid, leak-proof seal, and double-wall insulation to maintain beverage temperature. BPA-free and both container and lid are top rack dishwasher-safe. Made in USA. Lightly used and still in great condition. Cup is about 10” tall and lid is about 2” tall. Maximum diameter is about 4”.