Lyreh 4pcs Reusable Lunch Box Ice Packs, Polyester Long Lasting Reusable Ice Packs Versatile Cooler Accessories for Adventuring Fishing Camping Climbing Outdoor Activities (Black)

["Product Included: You will get 4 pieces of reusable ice packs, these sufficient number of ice packs can meet your daily needs and replacement needs when you go outside.","Premium Material: The ice pack is made of good quality polyester material to provide long-lasting cooling for your meals. The outer material is also easy to clean.","Product Size: The reusable lunch box ice pack is about 18x11.5cm/7.1x4.5in. This size will fit in most bags and incubators without taking up too much space.","Easy to Use: You soak ice pack in water for a few minutes, take it out and dry the surface, then put it in the freezer for about 6 hours, then you can take it out and use it. They retain their cooling effect for hours.","Wide Application: Ideal for outdoor activities, such as hiking, fishing, camping and adventuring. And also perfect for school lunch, office meal or keeping beverages chilled."]