Lead Paint Test Kit with 30 Counts Lead Test Swabs 30 Counts Value Pack: 30 Pcs Lead Test Kit in every box, Shelf Life 2 years,cost-effective, convenient and valuable. 30 Seconds Instant Results: Lead Paint Test Swab is very sensitive, the test results are obtained in less than 30 seconds. Incredibly Easy to Use: Wet swab tip with water（under water for about 5-8 seconds）and shake off any excess liquid, after swab tip achieves mustard yellow color, promptily use the lead paint swabs to rub painted surface for 30 seconds. Easy to Check Test Result: After rub painted surface, observe and match the lead test swabs with color on the top or bottom, Red/Purple/Pink it means lead detected. Yellow means NO lead detected. Warm Tips: Please Do Not put it into your mouth and keep out of childen and pets. Please Do Not touch or contaminate the head of the swab with your hands. It is recommended to use up within 90 days after opening. Easy to Use: Wet swab tip with water（under water for about 5-8 seconds）and shake off any excess liquid, after swab tip achieves mustard yellow color, promptily use the lead paint swabs to rub painted surface for 30 seconds. After rub painted surface, observe and match the lead test swabs with color on the top or bottom, Red/Purple/Pink it means lead detected. Yellow means NO lead detected.