4 Pack classic tumbler 20 oz stainless steel double-insulated water tumbler cup with lid and straw vacuum travel mug gift for men and women with cleaning brush (rose red/matte silver/black/aqua blue) Convenient accessory: There are also includes 4 unbreakable silver steel straws, 4 splash proof lids and 2 straw brush to make cleaning even easier, a fantastic gift set for your friends or family. Vacuum insulation technology: This insulated wine tumbler features a double-wall exterior with a vacuum seal between the walls. This means your drink temperature has no medium for the heat or cold to transfer through; by the pool, at the office, in your car and more. Tumbler keeps your favorite drinks icy cold or piping hot for hours, also combined with a splash resistant lid and you get additional thermal control. Sturdy 18/8 stainless steel: Modern insulated water bottles are made of quality 18/8 stainless steel metal. The tumbler is rust resistant and it will not retain flavors from previous drinks like plastic bottles, durable and convenient to use, easy to clean. To use broadly and conveniently: The classic and journey tumblers can be applied as wine cups, champagne cups, water cup or sports fan travel mugs, which are suitable for parties, picnics, self-driving travelling, boats, beach, pool, camping and hiking, etc. Specifications: Material: 304 stainless steel Height: 21.4 cm/ 8.3 inch (including lids) Bottom base diameter: 6.7 cm/ 2.6 inch Cup mouth diameter: 7.4 cm / 2.9 inch Color: as the picture shown Weight: 275 g (single cup with lid) Package: box Package includes: 4 x Stainless wine tumblers 4 x Steel straws 4 x Splash proof lids 2 x Straw brush Warm tips: We recommend hand washing. Certain dishwashers and detergents can leave spots on the exterior.