Looking for a smarter way to protect temperature-sensitive products during shipping?
Meet the Penguin Self-Expanding Insulated Mailer — our newest innovation in thermal packaging.
A mailer that grows with your needs!
- Ships flat to save storage space
- Expands to a form-fitting insulating enclosure
- Eliminates the need for outer cartons
- Ideal for food, pharmaceuticals, and specialty items
Coldkeepers continues to simplify the cold chain with sustainable, reliable, and space-saving solutions.
Discover the Penguin Mailer today >