1、This product is made of high quality food grade stainless steel and silica gel material, which has the advantages of non toxic and tasteless, collision and corrosion resistance, rust and scratch resistance, etc. With compact structure, it has the characteristics of strong hardness and durability, which is not easy to break. 2、Our vacuum cup is safe and healthy for your daily water drinking. Dust free cover with sealed rings makes it leakproof. Design of double drinking port allows you to enjoy spill proof sipping. And the wide mouth opening is easy to fill with ice cubes and clean. 3、The cup body is frosted so that it is not easy to leave finger marks, making it comfortable and anti skid to use. Keep warm and cool to make the taste more lasting. A variety of liquids can be stored, such as water, juices, milk, coffee and other cold and hot drinks, to meet your daily drinking needs. 4、The bottle is absolutely leakproof and shatterproof, perfect for hiking, biking, boating, the gym, work, school, and home. The bottle is safe in backpacks, beach bags, or the edge of your countertop. 5、It is a good the choice for your coffee en route to work, long road trips, and boat excursions. The 520 ml large capacity makes it perfect for when you are hiking, biking, camping, running, boating and so on. Item Type: Insulated Bottle Material: Stainless steel, Silicone, PCTG, PP Size: Approx. 78x78x195mm / 3.1x3.1x7.7in Cup Mouth Inside Diameter: Approx. 69mm/2.7in Weight: Approx. 388g/13.6oz Capacity: 520 ml Application: Suitable for fitness, travel, hiking, yoga, camping, running, cycling and other outdoor sports 1 x Insulated Bottle 1 x Instruction