4 1/2" x 2" x 1 1/2" Re-Freez-R-Brix™ Cold Bricks.
Protects against thawing by keeping perishables chilled and at a uniform temperature for over 12 days.
Formulated with food safe, non-toxic materials and sealed in a heavy-duty plastic pouch.
Leak proof, reusable and economical to use.
Ideal for pharmaceuticals, blood products, lab samples and bio products.