Roche Cobas Chemstrip 2 GP Urine Test Strips (11895397160) (200743). The Roche Chemstrip 2 GP Urine Test Strips Tests for Glucose and Protein within one minute. Roche test strips use underlying absorbent pads with a mesh laminate instead of an adhesive; this prevents chemical runoff onto adjacent strips. Easy to read distinct colors. Practically eliminates vitamin C interference. 100/BX. Price per box.