For the ultimate warm-me-up (Warming your YUYU Bottle)

*Best used with a padded cover

Before each use: Check the bottle and stopper for wear and damage. If you see any damage, do not use. The YUYU Bottle has a guarantee for 2 years, we recommend purchasing a new bottle after two years of use.

  1. Boil water and wait 4-5 minutes to allow the water to cool.
  2. Hold the YUYU rubber bottle by the neck and pour slowly into the bottle.
  3. If you are planning to wear the YUYU, fill to a maximum of 2/3 capacity or less.
  4. For maximum flexibility, very carefully expel any excess air by holding the neck up to avoid spilling.
  5. Secure the stopper finger-tight to prevent leakage and begin using.

For the ultimate cool down (Freezing your YUYU Bottle)

Before each use: Check the bottle and stopper for wear and damage. If you see any damage, do not use. The YUYU Bottle has a guarantee for 2 years, we recommend purchasing a new bottle after two years of use.

Freeze time: 3-5 hours

  1. Pour water 1/2- 3/4 way into the YUYU rubber bottle. Avoid filling all the way to the top as it may expand and stretch the bottle.
  2. Expel any excess air from the YUYU rubber bottle. Secure the stopper finger-tight to prevent leakage.
  3. Place the YUYU rubber bottle into the freezer for 3-5 hours (or until icy and slushy). Note: The time it takes to completely freeze will vary depending on the freezer you are using.
  4. Take the YUYU rubber bottle out of the freezer and gently place it into the cover and begin using.

Warnings:

  • Do not allow direct or prolonged contact with skin (use an adequate cover to prevent risk of burns).
  • Do not use with infants or persons sensitive to heat.
  • Under no circumstance should you use the hot water bottle as a cushion or place weight on it.
  • Do not fill using water from the domestic hot water system as this can considerably shorten the hot water bottle’s life.
  • Prevent contact with hot surfaces, oil, or grease.
  • Do not heat in a microwave oven.
  • This is not a toy; keep out of reach of children.