SSBM Re-Freez-R-Brix Cold Bricks 11 1/4" x 9 1/4" x 1" 64 oz 12/Case

Keeps perishables chilled at a uniform temperature for over 12 days. Ideal for shipping pharmaceuticals, blood products, lab samples, and biologics Food-safe, non-toxic formula sealed in a heavy-duty plastic pouch Each brick weighs 64 oz 12 cold bricks per caseYou may also like 4 1/2 x 4 x 1 1/2" Re-Freez-R-Brix® Cold Bricks 12/Case LeakProof/Reusable.