Open a new era of chilled Product Highlights: 1. Select thick material, after freezing, long-lasting cold storage and fresh-keeping effect is good; 2. It has good pressure-bearing ability, and it is not easy to leak water after inverting and squeezing; 3. Security guard, the contents are clean, colorless, odorless, non-toxic and free of impurities, safe, environmentally friendly and healthy; 4. Tightly sealed, no water leakage, safe and firm.