1. 60PCS Quantity: Each box contains 60 lead test kits, i.e. 60 tests, more valuable than any other lead test.2. Easy to use: Shake the tip of the wet cotton swab with water to remove excess liquid. After that, the tip of the cotton swab turns mustard yellow. Rub the painted surface with a lead test stick for 30 seconds. Please observe after wiping and match the lead test stick to the color of the top or bottom. If there is red/purple/pink, it means lead is present.3. Multi-faceted test: Lead is usually added to the paint to speed up drying and keep the paint fresh on the paint surface for a long time. Lead test swabs can be used on most painted surfaces such as wood, metal, vinyl, plastic, drywall, toys, plates, jewelry, bathtub glaze, pottery, antiques, plumbing.4. Accuracy results: Our test swabs can accurately detect the lead content of the substance.5. High-sensitivity detection capability: easy to use, test-free, and high-precision test..