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About Cold Water Bottle
Temperature Sensing】：With special temperature sensing material, the colour of the lower part of the water bottle will deepen when the temperature of the water inside the bottle is below 20 degrees.
[Flexible Collapsibility]: These collapsible Cold Water Bottles are simple to expand and contract. You just need to open the bottle and pull gently to change its shape. It comes with a button for easy carrying and can be hung on your clothes or bag.
【Safe Material】: these Cold Water Bottle are made of food grade silicone, BPA free and safe for drinking.
[EASY TO DISASSEMBLE AND CLEAN]: The water bottle is designed to be very easy to disassemble for easy cleaning of dirt. It is also designed to be leak-proof and the mouth of the bottle is very stable. And this water bottle is also very durable
