Dixon Phano Nontoxic China Markers, Nontoxic, Paper Wrapped, Black, Ideal for marking on glass, plastic, film, paper, metal, rubber, almost any surface. Bright colors deliver vivid marks. Marks easily wipe away clean from any smooth surface.
Tests For: Glucose, Protein, Ph, Blood, Ketone, Bilirubin, Nitrite, Urobilinogen, Specific Gravity, Leukocytes. Low-Carb Dieters Use These Strips To Monitor Ketone Output In Urine Which Can Be An Indicator Of Diet Success.
Dixon Phano Nontoxic China Markers, Nontoxic, Paper Wrapped, Blue, Ideal for marking on glass, plastic, film, paper, metal, rubber, almost any surface. Bright colors deliver vivid marks. Marks easily wipe away clean from any smooth surface.
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