Pig Ear (3.5x3.5cm Frozen from Fresh Cut, 4-6 Months Old) For use in transdermal drug delivery system research. Store at -20C, delivered by transport vehicle with ice pack, temperature control for 4 hours. Slice into pieces, ready to be placed on the franz cell. Average weight 2 grams per ear. ฿2,055.00 View Cosmetics View