Tupperware Junior Quick ShakeClassic sheer material- identify contents easily. Metric and cup measurements- accurate measures. Domed seal with hinged pouring spout- extra space for effective mixing. Tapered shape- for easy shaking and mixing while holding. Removable blender wheel- easy to blend and clean.Date First Available: March 9, 2016. Is Discontinued By Manufacturer: No. Best Sellers Rank: #267,985 in Health & Household (See Top 100 in Health & Household) #4,908 in Travel & To-Go Drinkware #5,066 in Weight Loss Supplements #9,041 in Sports Nutrition Products. Customer Reviews: 4.5 4.5 out of 5 stars 84 ratings 4.5 out of 5 stars. Item model number: 9019. : B00MBGKDVM. Manufacturer: Tupperware. Item Weight: 2.82 ounces. Package Dimensions: 7.32 x 4.49 x 3.54 inches.