Highly convenient lead paint test kit: lead test swab is a simple and effective to test lead pollution in paint. They are easy to use and can be performed by individuals without any training. Fast, accurate and cost-effective: lead test swabs can accurate results in a short time (only ), so as to quickly identify contaminated areas. Compared with other lead test methods, they are relatively cheap. Easy-to-use lead test kit: just immerse the swab in water and clean the test surface. Wipe the swab on the area. If the color of the swab turns red, purple or purple, there is lead on the surface. : lead detection kit is a non-toxic, tasteless and pollution-free lead sample . There is no need to wear protective gloves or in containers during use. be careful: Do not eat. Keep from children. Do not touch the tip with your hands after use. Widely used: these lead test swabs will not damage the tested surface. They are suitable for testing all types of painted surfaces, from countertops to furniture, vinyl and plastics, metals, wood, etc. Colour:As Shown Material:cotton Package Contents: 30 x Lead Test Kit Swabs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.