3 Dots High Quality Humidity Indicator Sticker
Humidity Indicator Cards are small, paper instruments designed to monitor relative humidity levels. These 3 spot cards are reversible and constantly indicate relative humidities as low as 30 percent and as high as 50 percent, they change from Blue (dry) to Pink (humid).
Established in 1998, Chunwang is well-known as one of the leading manufacturers and suppliers of 3 dots high quality humidity indicator sticker in China. During the past two years, we have introduced advanced equipment and technology into our factory. Please be free to buy our cheap products made in China.