This is an ADD ON customization package that can be added additionally to purchases being shipped to areas with 45 degrees Fahrenheit and below. This will give your plant baby the best chance of survival on the journey, and give you additional peace of mind in transit. This package includes: * Extra styrofoam insulation around the perimeter of the box * UniHeat heat pack (72+ hours of heat, max temp of 115 degrees F) * Personalized weather check for you shipping area to ensure the best shipping experience and quality * Cold Weather Plus - additional heat pack for large plant/large boxes or long distances