These reusable freezer ice packs are easy to use and can be placed in your cooler bag, lunchbox, or picnic basket. Simply freeze them overnight and they will be ready to keep your food cold for hours. Their durable design ensures they can be used repeatedly, making them suitable for keeping your food fresh during transportation. Features -Color:Sky-blue -Material:PE -Size:11.50X4.00X3.00cm/4.52X1.57X1.18in -High performance cooling: ensures cold chain food remains fresh and extends shelf life with high performance cooling -Portable and versatile: suitable for various mobile or stationary cold chain transport needs with its portable design -Quickly cooling: decreases pre-cooling time and enhances logistics efficiency with quick cooling technology -Safe materials: made from reusable materials to lessen outer environment impact -Effective insulation: provides effective insulation to maintain food freshness against external temperature variations Package list: 16 x Reusable Ice Cooling Packs