... -Toxic ,Green ,Eco-Friendly ,Healthy ,energy-Saved,Cool-Kept ,Ideal to use for:1.Perfect for storage and transportation of biochemical ... other perishable products3.When without cold source, can use it to freeze and keeping vegetable fresh, beer, beverage and food. ... : cold Store in the freezer so that the pack is ready. Approximately 1hr is required to freezer GELAttention: Do not eat.*cold used *Easy ...