This 3W ice pack is re-usable, clean, safe, and environmental-friendly ice pack with new leak-proof auto-sealing technology. The instructions are very easy to follow and are listed on the ice pack.
• Leak proof - The latest technology products will not have mucus after water absorption and will not leak out
• Long lasting - Stays cold for whole day in insulation bags or box
• The packs will stay frozen outside of a cooler for up to 2 hours, way longer than ice, way longer than traditional gel packs
• Meets cooling needs without causing drips, leaks and wetness