Ice Freezer Packs for Lunch Box Cooler, Reusable Cool Freezer Blocks - Small But Long Lasting - Great for Kids School Lunch Boxes, Office/Picnic Lunch Bag, Sandwich Box, Keep Food Fresh (Set of 4) Professional design- The hard ice pack is specially designed for lunch boxes, it is small, slim and compact, do not take too much space, and it can provide long lasting coldness for lunch boxes, put it in lunch box in the morning, get fresh and tasty food for lunch. The Ice pack great use for camping, picnic, car travelling, fishing trip, hunting trip, hiking, keep food and drinks fresh and cold. Safe, Reusable and Durable- The lunch box cooler is made from safe and non-toxic plastic and medical grade gel inside, got CE and FDA approved, do no harm to human body, safe to use. The plastic is of high quality, and the gel inside is firmly sealed with leak proof design, durable for years if use carefully. School / Office Lunch Box Freezer- The lunch box freezer measures 4.7" X 4.7", great for kids school lunch box, office lunch bag and sandwich box, the slim and compact size make it to fit most lunch boxes and bags types, gel filled ice pack retains coldness much longer than ordinary water injected ice packs, get fresh food with the lunch box freezer. Convenient to Use- Leave the lunch box coolers in refrigerator and use any time when need, clean the coolers with tap water, dry it up, then put back into refrigerator to get ready for next time to use. All 4 packs in one order to meet your need. Our Service and Guarantee- We believe our product will bring you fresh food and convenient life. Please feel free to contact us if you have any question, Buy today and get a 100% money-back guarantee within 30 days, Buy now RISK-FREE! Prime deal day for you !!! Kids school lunch Adults office lunch Baby breast milk Camping coolers Beach bags