Features: Trustworthy and safe material: This tumbler is mainly made of quality stainless steel material with fine workmanship, sturdy and reliable, easy to carry. Double wall insulated design: This thank you tumbler can keep the beverage warm for more than 3 hours or cold for about 9 hours. Funny design: Our mugs are printed with funny words, which are enough to let you choose what you want according to your actual needs. Specifications: Main material: stainless steel and plastic Color: as pictures shown Size in capacity: approx. 12 oz Size in diameter: approx. 3.15 inches/ 8 cm Size in height: approx. 4.72 inches/ 12 cm Package includes: 6 x Stainless steel tumblers 6 x Straws 6 x Transparent lids 6 x Brushes Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.