Feature: 1. Dimension: bottom diameter: 6.5cm cover diameter: 10cm height: 17.8cm (with cover) straw length: 21.7cm. 2. Double wall stailess steel design great for the daily use of all your hot or cold beverage needs. 3. Stainless steel lid with plastic screw threading and a Stailess Steel Straw makes drinking easier. 4. Irregular diamond with gradient color very beautiful great gift for your families friend and classmates. Specification: Capacity: 500ml Weight: 333g Material: stainless steel Insulation performance: 0-6 hours Color: blue yellow pink Metal Type:Stainless Steel--Thermal Insulation Performance:0-6 hoursProduction:Vacuum FlasksMaterial:Stainless SteelShape:Straight Cup--Glass Liner Material:Stainless SteelBottle Type:NormalThermos Material:Stainless Steel includes: 1 x Cup 1 x Straw "