It is a Vacuum Flask Insulated Cup Double Layer for Drinks.
Features:
1. Sturdy and durable, high-quality stainless steel material, resistant to knocking and not easy to fall.
2. Easy cleaning, the inner and outer surface of the cup are smoothly for easy cleaning, just rinse with water.
3. Portable strap, lightweight and easy to carry, suitable for for jogging, walking, cycling, camping, fishing, etc.
4. The stainless steel vacuum cup is beautiful and stylish, perfect for giving as a gift for yourself and others.
5. Double-layer vacuum insulation material, sealing the outflow of hot air / cold air and keep the cold and hot state of the beverage.