72-Hour Heat Pack - Plant Protection for Cold Weather Shipping

Keep your plants safe during winter transit with our extended-duration heat pack. This specialized warming pack activates on contact with air and provides consistent heat for up to 72 hours—ensuring protection for your sensitive tropical plants throughout their entire shipping journey, even in freezing conditions. The heat pack works by generating steady warmth through an air-activated chemical reaction, maintaining a protective bubble of warm air around your plants during transport. Its compact size fits easily in shipping boxes while providing effective temperature regulation for extended shipping times. We strongly recommend adding a heat pack to your order if: Local temperatures in your area are forecast to be below 40°F (4°C) You're ordering during winter months (November through March) Your location experiences freezing temperatures or frost This simple addition helps ensure your plants arrive healthy and undamaged, even during the coldest months of the year. The 72-hour duration provides an extra margin of safety for unexpected shipping delays. Note: Each heat pack can only be used once and will begin working as soon as it's exposed to air. Our shipping team will properly activate and package it with your order.