Uniheat multi-purpose shipping warmer packs are perfect for those colder months.
Weight: 3 oz
Package Size: 6 1/2" x 5 " x 3/8"
• Designed for reliable and steady heat release for 40 plus hours
• Simple to use and optimal results with color indicator on the warmer
• Excellent on shipping live insects, reptiles, tropical fish, flowers, etc.
• Provides an average warmer surface temperature of a 100°F (38°C)