1. Health and environmental protection: the crystal material itself is nontoxic and harmless, and contains no harmful substances, which can ensure the health and safety of drinking water.

2. Beautiful and generous: the crystal cup is beautiful in appearance and noble in temperament, which can increase the quality of life and artistic value.

3. Magnetic field energy: Crystal material has good energy transfer performance, which can absorb external negative energy and has the functions of purifying and balancing energy.

Disadvantages:

1. expensive: crystal cups are expensive, with tens of thousands or even hundreds of thousands of quality, which is unbearable for ordinary consumers.

2. Fragile: Crystal is a fragile material, which is easily broken and broken. Be very careful when using and cleaning, so as not to accidentally touch it and cause damage.

3. Not resistant to high temperature: the crystal cup is not resistant to high temperature and acid-resistant substances. If you heat or pour acidic drinks, the crystal cup will be deformed or broken.