Looking for a reliable hot pack for keeping your critters warm and alive while shipping during the cold months? We rely and trust the UniHeat 40+ hour shipping warmer for our crickets and mealworms. Environmentally safe and designed for reliable and steady heat release for 40+ hours. These warmers are excellent for shipping live insects, reptiles, tropical fish, and flowers. Each pack provides an average warmer surface temperature of 100 degrees and can raise the internal temperature of a cubic foot insulated box by 10 to 12 degrees. Multiple warmers can be used if higher temps are desired. Warmer can reach its peak surface temp of 115 in approximately 4 hours then slowly reduce to and maintain a surface temp of 100 degrees for the remaining duration. We are offering these heat packs for $1.95 each or a pack of 10 for $14.95

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