Auto Sealing Water Injection Ice Gel Packs – Portable, Reusable and Long Lasting | For Lunch Bag, Lunch Box, Cooler and Injuries (Bulk Pack 15 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
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