Re-Freez-R-Brix Cold Bricks, 7.5 Oz., 4-1/2"L x 2"W x 1-1/2"H, White/Blue, 48/Pack

Re-freez-r-brix 7.5 oz. cold bricks - 4-1/2" x 2" x 1-1/2", 48/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.