Re-Freez-R-Brix Cold Bricks, 7.5 Oz., 4-1/2"L x 4"W x 3/4"H, White/Blue, 42/Pack

Re-freez-r-brix 7.5 oz. cold bricks - 4-1/2" x 4" x 3/4", 42/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.