1 Pack - DrugExam Made in USA Most Sensitive Marijuana THC 15 ng/mL Single Panel Drug Test Kit - Marijuana Drug Test with 15 ng/mL Cutoff Level for Detecting Any Form of THC (1) Item Description DrugExam Made in USA Most Sensitive Marijuana THC 15 ng/mL Single Panel Drug Test Kit - Marijuana Drug Test with 15 ng/mL Cutoff Level for Detecting Any Form of THC. Test Strips. Urine Test Strips. Payment We accept payment only through PAYPAL Shipping We ship products worldwide through standard express courier service, it will reach within 7 to 10 days to abroad buyers, we ship the product after recieved clear payment and give full information about shipment to the buyer Return We accept product return within 7 to 21 days from delivery date but product should be in original position and not in damaged condition,the return shipping charges will be buyer responsibility