CheckUp for Cats Is a quick, simple, and reliable testing method to give you an overall picture of your cats' wellness through at-home urine testing. The sand included is unique hydrophobic sand that keeps urine on top and is 100% natural and non-toxic. This product is non-invasive and stress-free for both pets and owners. CheckUp can detect indicators for up to 10 different parameters including Urobilinogen, Glucose, Bilirubin, Ketone, Specific Gravity, Blood, pH, Protein, Nitrite, and Leukocytes. Benefits: CheckUp is a one-time-use product that is non-invasive and stress-free for both pets and owners. By using CheckUp Pro, markers for critical conditions can be detected in the early stages, ensuring companionship for years to come. In The Box: 1x Hydrophobic Sand, 2x Identical Testing Strips (Repeat test with the second strip if necessary), 1x Sample Collection Vial 1x Sample Collection Pipette.