Our pH test papers are designed to be both professional and portable, making them a great solution for your needs. Crafted with precision and practicality in mind, our pH test papers offer convenience for a wide range of purposes for testing the PH level of water and other liquid. Features -Color:Multi -Material:Paper -Size:7.00X4.50X0.10cm/2.75X1.77X0.04in -Made of light weight paper material, our pH strips are easy to store and carry with you wherever you go. -The pH test strips are easy to use, simple dip into the liquid, and wait for a few seconds. -They can identify the acidity and alkalinity of a solution based on the color change, making them a reliable testing tool. -Our testing strips are suitable to test water, vinegar, etc, providing more accurate results and satisfying your requirements. -With enough quantity of testing paper, you can enjoy a good user experience and easily replace the strips when needed. Package list: 80 x Testing Papers(1-14ph)