30pcs Lead Test Kit - Disposable Cotton Swab for Testing House Paint and Metal - Easy to use Fast Results Non-Toxic Test

A large amount of lead dust in the air can seriously harm the human body. Therefore, we designed this lead test kit to test the lead in your environment in a simple and convenient way. So that you can live, work and play in a healthier space. ?Packing: 30 lead test swabs ?Features: -High sensitivity detection capability -Easy to use, just dip in vinegar and wipe the test surface -Non-toxic test, safe for humans and pets -Routine waste disposal at one time -Get the most value ?How to use: 1. Wet swab tip with water 2. Shake off any excess liquid 3. After swab tip achieves mustard yellow color, promptly use the swab 4. Rub surface for 30 seconds 5. Observe swab tip for color change, please refer to color bar on label 6. Red/Violet/Pink/ swab indicates presence of lead