Features: 100% brand new and high quality This Chlorine Test Paper provides a simple, reliable, and economical means to measure the concentration of available chlorine in sanitizing solutions.The Chlorine Test Paper measures total available chlorine from 50-2000ppm, and give results in just seconds. Each test strip is made of high quality fiber paper and NO COLOR BLEEDING pad that provides instant and reliable result.. 15 Seconds Fast Test. Dip in water and take out immediately, then read test strip in 15 seconds. Color Chart on Dispenser. Package Includes: 1 x Chlorine Test Paper Roll Dispenser Packed (4m in Length) Specifications: Material: Paper + ABS Each Box Has 1 Roll Approx: 4 Meters. Size: 6 CM X 6 CM. note: 1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. 2.Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement.