High Quality Stainless SteelOur measuring cup and free-flowing pourers are made of food grade stainless steel.It is rust and corrosion resistant and can be used for a long time.Health and environmental protection,enough to ensure your safety. 2 PCS Dual Spirit Measure Cup:Our package includes 2 Dual Spirit Measure Cups, which can be used on both ends of the measuring cup to hold 20/50ml of liquid, which can be accurately measured. The size of the measuring glass is 9x4cm / 3.54x1.57inch. 4 PCS Freeflow Pourer:The package you received also includes 4 pieces of Freeflow Pourer. The pourer seal is made of food grade rubber. It is elastic, not easy to leak, and has a return hole design to keep the air circulation inside and outside the bottle. Its size is 10.5x3cm / 4.13x1.18inch. Easy to Clean & Store:Because the Dual Spirit Measure Cup and Freeflow Pourer are made of stainless steel, they are very easy to clean and the edges are very smooth. Just rinse with water and do not use a scrub cleaner. Wipe clean and store in the kitchen cabinet after use. Exploring Endless Uses:This device is suitable for use in bars, clubs, restaurants, cafes or homes. Suitable for wine, juice, syrup, oil and kitchen seasonings. Suitable for bottles of all sizes, such as gin, whiskey, vodka and rum.