1. adpot dual gel technology to be both comfortable and effective 2. extended cool effect 3. just insert into pillow cover

Dual cool pillow

1. size: 28 * 18cm

2. unique design cool pillow,  dual gel technology,  enjoy comfort on the soft gel as well as long time cool therapy from the frozen gel

3. convenient and useful for cooling in hot days

4. keep cool for up to 6 hours

User manual:

Put the dual cool pillow in freezer for at least 1 hours before using.