Product Description

1. This new bullet insulated cup is one of our most popular styles at present. The outer layer of the cover is stainless steel and the inner layer is food grade plastic. The switch is a 360 degree button switch that is popular with the public. It is easy to operate. The side rope design makes it easy to carry when you go out.

2. The biggest advantage of this traditional heat preservation cup is its good sealing and heat preservation performance. Because the mouth diameter of this cup is relatively small, and it is equipped with an internal plug design, which can greatly improve the insulation time. With the same capacity, the heat preservation time of this design is 6-10 hours higher than that of other designs. And this thermal cup is absolutely leak proof and has excellent stability. You can put it in your backpack with confidence.

3. Small lid design, the small lid outside can be used as a small cup for drinking tea outdoors. This design is also very popular with customers.

How to choose the vacuum flask?

1. Simple identification method for vacuum heat preservation performance: pour boiling water into the heat preservation cup and screw the bottle stopper or cup cap clockwise for 2-3 minutes, then touch the outer surface of the cup body with your hand. If the cup body is obviously warm, it indicates that the product has lost its vacuum degree and cannot achieve good heat preservation effect.

2. Identification method of sealing performance: after the cup is filled with water, screw the bottle stopper and cup cap clockwise, and place the cup flat on the table, without water leakage; The cup cover and cup mouth shall be rotated flexibly without clearance.

3.Identification method of plastic fittings: The new food grade plastics are characterized by small odor, bright surface, no burr, long service life and no aging. Common plastics or recycled plastics are characterized by strong smell, dark color, many burrs, and easy aging and fracture of plastics.