What are the benefits of adding a silicone cup sleeve to a vacuum flask?

Insulation cups, glass cups, and many now add a silicone cup cover on the outside of the cup, I want to know the benefits of adding a cup sleeve.

1. Insulation: The cup cover can play the role of heat insulation after being pressed.

2. Anti-slip: The cup holder, especially the silicone, can effectively increase the friction of the outer wall of the cup to achieve the purpose of anti-slip.

3. Insulation: The cup sleeve can effectively isolate the heat after the cup is poured into hot water to prevent the user from being scalded.

4. Beautiful: The cup cover can be made in various shapes and colors, which can eliminate the transparent and monotonous characteristics of the glass and increase the aesthetics.

5. Protection: The cup cover can also protect the glass from being worn or broken, and has certain characteristics of anti-drop protection.

The silicone bottle sleeve is soft and anti-drop, feels good, and has good wear resistance. Wear-resistant and drop-resistant, high temperature resistance 240 degrees, low temperature resistance -40 degrees.

The main functions of the silicone cup cover are non-slip, anti-scalding and anti-drop. It is mainly used on the company's glass, showing the company's brand and strength. Used on baby product glasses to protect baby's delicate hands from being scalded when drinking milk. It can also be used in exhibitions, commercial promotions, business gifts and other industries.