Feature: 1. Premium Material: Made of premium 304 stainless steel for inner and 201 stainless steel for outer, the vacuum cup is wear resistant, corrosion resistant, safe to use. 2. Large Mouth: The vacuum insulated bottle has large mouth, which is convenient for users to clean, and stainless filter, you can put tea leaves in it. 3. Heat Preservation: The insulated water bottle can preserve heat for a long time, with the help of hand strap, it is convenient for you to take or suspend, occupy little space. 4. Assured: The portable vacuum cup is glossy, made of food grade material rather than manganese and other harmful elements, safe and healthy for you to use. 5. Suitable: The stainless steel water bottle is suitable for sport, car, office, business travel, daily, home and outdoor activities, you can use it to meet your personalized needs. Specification: Item Type: Vacuum Cup Material: 304 Stainless Steel for Inner; 201 Stainless Steel for Outer Weight: Approx. 350g/12.35oz Capacity: 1000ml . Package List: 1 x Vacuum Cup