Phenolic foam made Polar White Clear Bricks are utilized to maintain freshness of different materials that tend to decompose early. Available in different color options, these bricks are effective in maintaining low temperature to prevent decaying of transported objects. These bricks are vacuum sealed in LDPE pouches and their refrigeration temperature ranges between -15 degree C to 20 degree C. Offered Polar White Clear Bricks are useful for long distance shipment of vaccines, life saving medicines etc. These bricks are cost effective.