Auto Sealing Water Injection Ice Gel Packs – Portable, Reusable and Long Lasting | For Lunch Bag, Lunch Box, Cooler and Injuries (Bulk Pack 10 PCS, 4.7 x 6.7 Inch)
ICE PACK FOR DIRECT WATER INJECTION① Fill about 3/2 of the water through the ice pack inlet.② The filled water gradually changes into Gel form.③ You can freeze ice packs that have become completely gel-free in the freezer.※ Advantages: Compact and lightweight, easy to carry and store, and cheaper than finished products.※ Made from a
I’m very happy with these bags I’m very happy with these bags. The material is heavy duty and they should last for many years. They certainly kept cold for much longer than I anticipated. A quality product that I highly recommend. Easy to fill with water (that will turn to gel) and automatic seal after you insert water. I used these to top my Coleman steel belted cooler and they stayed frozen or at least half frozen for the 48 hour period.