1. Tight seal, visible effect, inverted water 180° shake, no leakage.2. Thicken and widen the silicone ring to ensure the sealing.3. Press down the handle, expand and seal the silicone ring tightly; lift up the handle, shrink the silicone ring and easily open the cover.4. Material health, food can be touched, can withstand 100℃ boiling water, use at ease.5. Durable for 10 years, no fear of pressure, thick material, stacking storage, not easy to deformation.
For hot drinks:Start with a clean thermos. Warm your thermos by filling it with boiling water. Put the lid on. Let it sit for a few minutes then pour out the water.Once your thermos is warm, quickly add boiling hot drinks and put the lid on tightly.For cold drinks: Start with a clean thermos. Chill your thermos in the fridge or freezer. You can also fill the thermos with ice and water. Put the lid on. Let it sit for a few minutes to cool then pour out the water. Once the thermos is chilled, quickly add cold drink (at or below 4°C or 40°F) and put the lid on tightly.
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