100% new and high quality Characteristics: Professional and specially designed for ketone testing, made for urinalysis of both qualitative and semi-quantitative. For medical organization test and analyze urine specimens. Read the manual included carefully before testing, for correct operations and accurate results. A set includes 100-piece comics and keep it dry if not used up yet. Instructions: 1. Have a comic. Dip the path in the urine cup or single stream of urine. 2. wait exactly 40