pHion?s Diagnostic pH Test Strips are comprised of a single color pad affixed to an easy-to-handle plastic strip, making them far more effective than litmus paper. Complete instructions for testing pH in saliva and urine. Plastic bottle holds 90 wide range 4.5-9.0 test strips. J-pegable carton is 1 7/8? x 3 1/2? x 1 7/8?.