Test Paper Strips Clear Numbers Keep Balance Small Body Testing PH Level Test Paper for LabDescription:There are different colors and clear numbers, you can see it distinctively to read the number and get PH result.Lightweight compact panel design, it is easy to carry, save and can be used at any time.Made of paper, it is durable.The ph paper length is 45mm and width is 7mm.It is suitable for many occasions, such as for fish tank, hydroponics, aquariums and so on.Item Name: PH PaperMaterial:PaperSize:4.5cmx3cmx0.7cm/1.77inx1.18inx0.28inNotes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 X PH Paper