Highest-quality Industrial Reagents and paper; Resists humidity. Fast visual or instrumental results. No interference in Protein by alkali urine. No color change after testing and no color spread between pH and specific gravity. Included in your Deluxe Kit: 1 Moisture Clip to help preserve the individual pack you opened, along with One Test Tube and One Waterproof Color Chart to compare your results. Unopened pouch = 2 years shelf life. Once opened = 7 days per pouch. Exclusive Kit includes ONLY 5 STRIPS PER PACK, with a total of 32 PACKS and 160ct. NOTE: Almost all 10 Parameter Urine Test Strips come in a bottle, and once you open that bottle, the reagent starts its decomposition process, and the remaining strips will get compromised by the time you can use them in 60-90 days. With our packaging, your strips can last the entire 2 years of the shelf life without diminishing quality. Nurse Hatty Uri-10 Script Urinalysis Reagent Strips come with ten parameters allowing you to check your urine for Protein, pH, Leukocytes, Nitrites, Ketones, Bilirubin, Blood, Urobilinogen & Specific Gravity, and Calcium. NOTE: Glucose is NOT included on this test strip.