These drinking water test strips are practical and convenient to use. 16-in-1 extensive testing, these test strips could meet your different needs. Easy to use, and portable to take bringing you a healthy drinking water environment for your home, restaurant, store, office and anywhere you need. Features -Color:Assorted Color -Material:Paper, plastic -Size:16.50X1.20X1.20cm/6.48X0.47X0.47in -Size:13.50X1.20X1.20cm/5.31X0.47X0.47in -Size:13.00X0.50X0.10cm/5.11X0.20X0.04in -Note:The sequence of test paper items is random. -Test items: PH, total alkalinity, free , total , nitrate, nitrite, , , iron, copper, , , chromium/ , hardness, carbonate root, cyanuric acid - These are some drinking water test strip, easy to use, convenient for you to get water quality results faster. - Suitable for various water quality testing of drinking water, , running water, satisfy your demands. - The drinking water test strips are proper to be used for many occasions like home, store, restaurant, office, etc. - Water quality test strips are easy to store and to carry, portable and light , you can feel the convenience of them. - Enough quantity of the water quality testing papers to offer you better service, with dropper and test tube, get satisfying using experience. Package list: drinking water test strips 1 tube 1 x dropper