Two Polar Ice Packs - Long lasting reusable ice packs. Keep your meltable items cool with Two Polar Ice Packs - Long lasting reusable ice packs. These are great to use after you receive your order. Just put them back in the freezer and they are perfect for picnics, barbecues, and other outdoor events. Safe and non toxic. Last between 24-36 hours. We strongly advise using these ice packs during the summer months. Each two packs cost $6.00. We recommend for each chocolate item you purchase, you should purchase two packs to help keep your items cool.