Honeydak 4 Pcs Stainless Steel Ice Packs for Lunch Boxes Rectangle Travel Reusable Freezer Packs 304 Food Grade Metal Cooling Cube for Bag Cooler Bento Box Camping, No Water Needed

["Enhanced Cooling: you will receive 4 stainless steel rectangle ice packs, each capable of maintaining low temperatures for up to 6 hours; These reusable stainless steel ice packs provide longer cooling times and are more friendly than plastic ice packs","Convenient and Portable: each ice pack is suitable for everyday use, measuring about 5 x 2.9 x 0.63 inches; They can be applied in coolers, bento boxes, and boxes, allowing you to enjoy fresh, chilled food anytime, anywhere","Safe Stainless Steel: these stainless steel ice packs are made of food-grade stainless steel, making them safe to use and easy to clean; You don't have to worry about them cracking or leaking onto your food like plastic ice packs","Easy to Use: these rectangular cooling ice packs are easy to use; Simply freeze them in the refrigerator for 4 hours before use; After use, simply rinse and return them to the refrigerator to freeze again for reuse","Widely Applicable: whether for office lunches, outdoor camping, picnics, fishing trips, hiking, summer beach trips, parties, or other occasions, or even for ice packs, our ice packs can be applied to keep you cool during the hot summer months"]