30 SECOND INSTANT RESULTS: Webetop lead paint test kit is very sensitive, the vast majority of test situations results are obtained in less than 30 seconds. 60 PIECES VALUE PACK: 60 pcs lead test kit in every box, very cheap, convenient and valuable. SIMPLE TO USE: Wet swab tip with water 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, if it is red/purple/pink, it means lead is present. RANGE OF USE: These lead test kit for dishes provide and instant test on most painted metal ceramic surfaces. Including toys, woodwork, dishes, jewelry, bathtub glazes, pottery, antiques, plumbing ect. Note: Please do not put it into your mouth and keep out of childen and pets.