SPR Spray Color:Black Positive Result: Blue or pink

Positive Result: Blue or pink with blue speckles after breaking the first ampoule

this tape is ideal for sealing evidence or for secure storage of nearly any item

black or red

Available in four convenient sizes: 2cm2 and 3cm2 round

Each pack contains 100 individual bags

SPR Spray Color:Black Positive Result: Blue or pinkPre mixed in non aerosol bottles with pump sprayers, this SPR solution is ready for use out of the bottle. Available in black or white. Use Black SPR on light colored surfaces and White SPR on dark colored surfaces. Has a fluorescent component that allows fingerprints to be detected using an ultraviolet or forensic light source.