Penitue 4pcs Ice Packs for Lunch Boxes, Reusable Slim Lunch Box Freezer Packs Practical Cooler Accessories for Outdoor Hiking Camping Fishing Sports (Purple)

["Product Included: You will get 4 pieces of reusable lunch box ice packs. They are perfect for everyday use, outdoor adventures, and keeping your food and drinks cold all day long.","Quality Material: Made from good-quality SAP and durable polyester, these reusable ice packs offer a leak-proof and wear-resistant design. Enjoy long-lasting cooling with complete peace of mind.","Portable Size: The long lasting lunch box ice packs are about 17x12cm/6.69x4.72in, slim and portable. They are easy to carry and fit in most lunch boxes, coolers, and bags.","Easy to Use: First, soak the ice packs in water for 3-5 minutes, then wipe them dry, and finally freeze them for more than 6 hours before use. They are easy to operate, and you can enjoy the cooling effect for hours.","Wide Application: Perfect for office lunches, picnics, and outdoor adventures like hiking or camping, these reusable ice packs keep your food fresh and drinks chilled wherever you go."]