Radiotronics 4-Pack Lunch Box Ice Pack, Reusable Slim Freezer Bag for Refrigeration, Cooler Bag for Work, School, Picnic or Camping Keeps Food Fresh

【Keeps Food Cold for 18 Hours】 The Reusable Ice Pack for Lunch Box is designed to keep your food and drinks fresh and cool for up to 18 hours, Perfect for school lunch boxes, work lunch boxes, picnics, and travel. 【Perfect Fit for Any Lunch Box】 The Slim Ice Pack for Cooler measures 6.5" x 4.3" x 0.5", making it the ideal size for most lunch boxes, cooler bags, and picnic coolers, while maximizing space for your food. 【Space-Saving & Convenient】 This Ice Packs for Food Storage fits into all types of lunch boxes, coolers, and grocery bags, offering an easy and efficient cooling solution. Great for picnic coolers, work lunch boxes, and ice packs for travel. 【Reusable & Long-Lasting】 Our ice packs stay frozen longer and are long-lasting for daily use. Ice pack for school and work use, designed to ensure your food stays fresh and avoids mess as it melts. 【Easy to Clean & Eco-Friendly】 Simply freeze overnight and rinse after use. This slim freezer bag for lunch box is easy to clean, eco-friendly, and ready to be reused for your next school lunch box, work lunch box, or picnic. 【Compact & Portable Design】 The Compact Ice Pack for Travel fits perfectly into any lunch bag, cooler bag, or picnic cooler. Its slim design makes it easy to carry and keeps your food cool all day long.