Yeti Rambler Jr 10 oz Tumbler Grasshopper. Specifications for Yeti Rambler Jr. 10 oz Tumbler with Silicone Straw Lid: Manufacturer: Yeti Volume: 10 oz Fabric/Material: 18/8 Stainless Steel Condition: New Age Group: Youth Adults Features of Yeti Rambler Jr 10 oz Tumbler Splash-resistant silicone straw and lid Fits in most car seat cup holders Double-wall vacuum insulation 18/8 stainless steel Dishwasher safe Package Contents: Yeti Rambler Jr. 10 oz Tumbler with Silicone Straw Lid Yeti 21071507773: Rambler Jr 10 oz Tumbler Grasshopper