pH universal indicator strips,

pH 6.5-10.0, non-bleeding, plastic box containing 100 strips,
pH scale 6.5 - 6.8 - 7.1 - 7.4 - 7.7 - 7.9 - 8.1 - 8.3 - 8.5 - 8.7 - 9.0 - 9.5 - 10.0