Ice pack Non-toxic and BPA-free premium quality, durable ice packs for cool box and reusable more than 100 times ! (simply keep refrigerated and reuse) Ideal to keep your food and drinks chilled, fresh and tasty for hours. Use small ice packs for lunch boxes, freezer bags, and coolers bags. LONG-LASTING Cooling gel powder mixed with water to create high Safe cool packs for cool boxes which will stay cold longer than standard ice block Place in the freezer for between 4-6 hours before use. Reusable. Food safe & dishwasher safe. Ideal ice pack for cool box, camping and any form of outdoor living 【Multipurpose Ice Packs】 - The freezer ice blocks can be used for many purposes need added coldness: lunch box/bag, cooler, insulated bag/box, cool box/bags, picnic, party, car travelling, fishing, hiking, long distance travel, etc.