product 1.Material: Made of stainless steel, no peculiar smell, they will not rust, crack or be scratched. 2.Filter residue free: Double-sided encryption pinhole on the spoon surface, easy to clean the filter residue, solve the trouble of inhaling filter residue. You can use it to drink brewed tea or freshly ground coffee, or other beverages. 3.Unique design: The straw nozzle is slightly flat, is more in line with the design of the mouth. Isolated heat and anti-scalding, smooth and not hurting the mouth. 4.Reusable: Keep for long lasting life and not easy to rust after drying. High-grade and durable,not easy to soften, can be used repeatedly. replacement of disposable plastic straws. 5.Practical suit: Brushes can work with these filter straws, also suitable for cleaning cups and bottles. And all the straws and cleaning brushes can be placed together in the bag.