Set includes 1 pink and 1 blue iceless cold pack
Capacity 96-well plates or PCR tubes; tube size 0.2mL and 0.5mL
Pink pack turns violet when ice cold; light blue pack turns dark blue when ice cold
Special cone contour prohibits freezing of samples
Temperature maintained 0 degrees C for one hour; precooling required 2 hours at -20 degrees C; color change temperature at 7 degrees C