This Thirteen Panel Clear Scan Drug Test Cup is a primary choice for performing large and small drug tests. The testing is performed with a clear and highly visible surface and the ability to detect up to 12 different drugs in one testing. This urine test cup also has flat sides, which are great for photocopying your test results. Only a small amount of urine is necessary for accurate results. An individual well is available for each test trip to maintain easy interpretation. Up to 16 different drugs are available for testing. The test results have up to a 99% accuracy rate.