1. Smell—the product is new, a little smell is normal. Half an hour with boiling water can be a good solution to the problem of smell.
2. Material safe— Food-grade material silicone. FDA approved and BPA free.
3. Water temperature — suitable for -50 degrees Celsius to 150 degrees Celsius.
4. Size — Folding : 3.4 x 1.8 inches ; Open size: 4.85 x 3.4 inches.
5. Portable — Take only a little space, easy to put in your purse, pocket, backpack, suitcase. A great idea for camping, travel, hiking, and picnic
6. Convenient — Easy to clean & dishwasher safe.Commodious for coffee, milk, tea, hot water, cold drinks, and beverages.