NUOBESTY 20 Pack Small Hard Ice Packs for Lunch Box (Fill with Water)

About this item

• DIY Water Fill Design: These ice packs for cooler are empty. Fill each container with water up to the marked line, seal the cap tightly, and place it in the freezer. Once solid, they provide reliable temperature control for everyday use
• Puncture-Proof Hard Shell: Stop dealing with messy, leaking gel pouches. Crafted from rigid PE plastic, these mini freezer blocks withstand heavy squeezing and stacking without bursting. They maintain a solid rectangular shape that won't distort or crush your sandwiches and delicate fruits safe from getting crushed during transport
• Compact Space-Saving Size: Measuring 4.5 x 1.6 x 1.2 inches (11.5x4x3cm), these tiny ice pack boxes fit effortlessly into tight spaces. Slip them between beverage cans in a travel bag, or layer them inside bento boxes without occupying valuable food, fruit room
• Not Just For Lunch Boxes: Besides keeping lunch fresh, this 20 Pack bulk ice packs for lunch boxes set in various applications. Drop a few into the water tank of your evaporative swamp cooler or indoor fan to enjoy a cooling breeze during hot summer days, maximizing cooling efficiency
• Reusable for Daily Chilling: Built for repeated freezing and thawing cycles. The securely sealed cap design prevents internal liquid evaporation. After a day at work, school, or a picnic, simply wipe the smooth surface clean and return them to the freezer for your next adventure