See-Through Transparency Spray (Case of 4)

# Won't damage the envelope or folder
# Won't disturb the contents in any way
# Won't cause the ink to run
# See-Through is an excellent addition for crime scene forensics or for use in security facilities and correctional institutions
# Requires just two simple steps
# Gives you instantaneous results
# Will detect minute traces of explosives with no false negatives and a low false positive rate
# Meets O.S.H.A. and international standards
# Use in counter-sabotage situations, to screen suspects and to screen incoming mail or suspect packages in or on vehicles, luggage, houses and offices
# Non conductive liquid, contains no CFCs, environmentally friendly
# Four - 200ml cans