Toyvian 4Pcs Ice Packs for Cooler Bags Reusable for Air Conditioner Fans Safe Material Leak Design for Drinks Lunch Boxes Outdoor Activities

["Convenient to use: after freezing, packs for coolers can be placed in a fan for cool air, suitable for summer,reusable ice bricks,cooling block","Freezer block--can be used for the restaurant to transport food, vegetable, fruit and more,cooler freezer blocks","Small freezer blocks--these ice boxes are made of safe and stable rubber material for very safe to use,cooler freezer blocks","Reusable ice cases--the cooling box is made of safe material, you can use it trustingly,cooler freezer blocks","Suitable size: packs for coolers is compact in size, does not take up too much in you refrigerator, lunch box and more,freezer blocks,cooler freezer blocks"]