Features: Ensures safety with Leads Detection Swabs, for quick and accurate Leads content testing in various surfaces like paint, gold, ceramics, and more. Featurings a user friendly , these swabs offer high precisions and nontoxic, making them safe and easy to use for result. for health individuals in homes, schools, kindergartens, and factories who prioritize safety and well being. for detecting Leads level in food, beverages, toys, and ceramics, ensuring that everyday remain safe for use. With the convenience of colorimetric strips, you can swiftlys identify Leads content, providing safeguarding your environment. Specifications: Materials: Cotton swab Size:100x63mm/3.94x2.48inch Package Includes: 30Pcs Leads Test Swabs note: Due to the screen setting difference, the item color may slightly differents from the pictures. Please allow slight dimension difference due to differents manual measurement.