A non-toxic water-based gel refrigerant shipping pack specifically designed and engineered for cold transport and storage of perishable items and shipping heat sensitive products. Designed as a safer alternative to dry ice, Gel Blox Cold Shipping Packs are great for coolers and lunch boxes and ideal for cold transport of various foods, pharmaceuticals, vaccines, blood samples, medicines, chocolates, meats and other perishable items. Width: 4"; Depth: 6"; Description: Gel Blox™ Cold Pack, 6 oz, 4 x 6; Quantity: 96/Carton.