【 Keep Food Fresh & Drinks Cold 】Perfect for daily use in lunch boxes, bento boxes, and coolers. Ideal for work, school, picnics, hikes, fishing, and more 【 Keep Breastmilk Fresh】Bring back fresh breast milk for your baby to grow better. No longer need to carry multiple backpacks! 【 Save Space】8 slim ice packs (6.5” x 4.3” x 0.5”) will fit in just about any lunch box or coolers that you can think of and takes up less food or drink space 【 Reusable 】Not like ice, OUTXE ice packs don't make a mess as they thaw and will stay frozen for longer. sandwiches and other food items don’t get ruined when ice packs start melting 【 Easy Clean 】Just add water and stir to turn into a gel, freeze ice packs the night before use. Just rinse them and pop them back in the freezer after use, ready for next time