Three clear vials with yellow cap containing 0.75 mg each of polystyrene at Mp 1800K, and 1.5 mg each of polystyrene 277K, 34.8K, 3.47K Three clear vials with pink cap containing 1.5 mg each of polystyrene at Mp 552K, 66.0K, 9.13K, 0.266K Three clear vials