Extra - Cooling Pillow Insert (with 6 Ice Packs)
This is an extra cooling pillow insert, so you will have 2 in total. Why? One for immediate use, the other in the freezer for the next night.
The Cooling Pillow Insert holds 3-cooling packs that extend the cooling up to 7-8 hours of refreshing coolness while you sleep. (total :6 pack)