With the development of technology, modern society has seen the emergence of various types of mugs, including double-walled, color-changing, and vacuum-sealed mugs.

Zipper Mug: Designers have incorporated a zipper into the mug's body, with an opening for a hanging strap to hold tea bags, making it both stylish and practical.

Double-Walled Mug: Double-walled mugs are constructed with two layers, providing both insulation and protection against burns.

Electric Mug: Electric stirring mugs can stir coffee, fruit juice, milk tea, and other beverages with a single button.

Letter Mug: The handles of letter mugs are designed with individual letters, ensuring no one gets it wrong.

Locked Mug: Designers have included a keyhole in each mug, with one key per mug. The mug is only usable when the correct key is inserted.

Stained Mug: Designers have created landscape images shaped like stains and printed them inside the mug.

Color-Changing Mug
This mug, also known as an ounce-colored mug, changes color depending on the temperature of the patterned area when hot or warm water is poured in. When hot water is poured in, the heat-sensitive liquid in the jacket changes color and rises into the inner graphic channel, displaying the artistic pattern on the mug wall.

Smart Temperature-Controlled Mug
A company in California, USA, has developed a mug that keeps drinks warm. This insulated mug is made of stainless steel reinforced with a white ceramic coating, keeping the liquid inside between 49 and 60 degrees Celsius. The temperature can be adjusted by rotating the base.

Adjustable Temperature Mug
The EMBER MUG is the world's first temperature-adjustable coffee mug. Its patented technology combines a phase-change cooling system with an active heating system that provides precise temperature control for hours.

Hand Warmer Mug
Designed by Sabrina Fossi Design Studio, the hand warmer mug is essentially a regular mug with a built-in hand warmer.