Description: Cooler Bag for Lunch Bags, Boxes, Ice Cream; wki, narrow reusable cooler bag, cooling accessories and lunch box, freezer cooler bag, colder than loacute; d, provides freshness of food for camping, travel; That, picnic Specifications: Name: camping ice packs for coolers Includes: dried particles crystal ice box shell material: high-density polyethylene HDPE Size: 19*6*4cm/7.4*2.3*1.5in Use: add water to use. You only need to add water once and it can be used repeatedly. Scope of application: cold food preservation, breast milk preservation, air conditioning fan, grooming and cooling, self-trip with BBQ, refrigeration, transportation, etc. Precautions: Do not open the lid to drink the contents of the ice crystal. If the ice crystal liquid spills during expansion, it can be cleaned with neutral detergent and water. Keep away from fire or objects; T h e r o