Re-Freez-R-Brix Cold Bricks, 28 Oz., 7"L x 5"W x 1-1/2"H, White/Blue, 12/Pack

Re-freez-r-brix 28 oz. cold bricks - 7" x 5" x 1-1/2", 12/case 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.