These freezer gel packs are versatile and can be used in various scenarios, from shipping food to keeping your lunchbox cool. The slim design allows them to fit easily into any cooler bag or lunchbox, making them suitable for daily use. They are reusable, providing solution for keeping your food fresh. Features -Color:Sky-blue -Material:PE -Size:11.50X4.00X3.00cm/4.52X1.57X1.18in -Cold retention: keeps cold chain food fresh and extends shelf life with cold retention capabilities -Convenient portability: designed for easy use in various mobile or stationary cold chain transport situations -Rapid freezing: minimizes pre-cooling time and boosts logistics efficiency with rapid freezing technology -Sustainable materials: crafted from plastic materials that are reusable, minimizing mini impact -Excellent insulation: provides strong insulation to protect food freshness against external temperature change Package list: 16 x Reusable Ice Cooling Packs