Wide Application: pH test paper strips can help you keep healthy by testing common substance, such as water, milk, liquid detergent, soil, etc. Also suitable for school, lab, swimming pool, aquarium, hydroponics, etc.Full pH Range: pH indicator paper can test from 0 to 14. pH1-14 accurate color chart can help you quickly compare the test result with 4 colors table on the the card board and obtain the solutions pH.Easy To Use: To test the pH of solution, just dip the solution in and drop it on the litmus test strips, the strip will change the color immediately.Easy To Carry: Each pack size of litmus paper is 7x4.5cm, each piece size is 5.5x1cm. Small and lightweight, convenient for you to carry and store.What You Get: Comes with 10 pack ph test strips, each pack has 80 pieces, 800 pieces in total. Large quantities can meet your different demands.Color: whiteProducts include: 10pcsSize: 7*4.5 cm