IMEEA 18-Ounce Stylish SUS304 Stainless Steel Dual-wall Tumblers Mug with A Straw (Champagne) Premium Solid SUS304 stainless steel has strong antioxidant ability, it will not rust easily and no harm for use The double wall tumbler mug ensures safety when having hot water. Makes your drink warmer or cooler in longer time The lid has rubber rings to prevent any leakage. Even the water will not spill out when the cup is in the car. It will not be vacuum insulation, Since there is hole on the lid for straw use Dimensions: 7.9 H * 3.6 Dia inch(20L*9Dia cm); Straw Length: 9.9inch (25cm); Capacity: 18oz(500ml); Weight: 0.75pounds(340g) Lovely color, perfect gifts for teens, children, kids and ladies with lipstick with IMEEA lifetime warranty.