Item Type: Vacuum Cup Material: 316 stainless steel + silicone Capacity: 500ml Weight: Approx. 355g / 12.5oz Product Size: Approx. 6.6 x 23.5 cm / 2.6 x 9.3 in1[Stainless Steel Material] The stainless steel electrolytic liner is durable, corrosion resistant, safe, harmless, and can be used for a long time. 2[500ml Large Capacity] Large capacity of 500ml, and you can drink water with just one press, suitable for a variety of people, to meet your various need. 3[Anti Slip Bottom] This vacuum insulated cup with silent cup bottom, suitable for a variety of surfaces, which is wear resistant and non slip. 4[Keep Water Warm] The cup mouth is round and shiny, and the thread is thick, which can effectively keep water warm, so you can use it with confidence. 5[Widely Application] The vacuum cup is compact and portable, and widely used in many situations, such as outdoor, travel, car, office, etc. 1 x Vacuum&nbspCup