10% to 60% Integra Humidity Indicating Cards - 10 cards per pack - 36 Count ($3.84/Unit)Integra Boost Humidity Indicator Cards offer a quick and reliable way to visually check your products humidity level, ranging from 10% to 60% relative humidity. Ideal for both personal and business use, theyre designed to enhance customer confidence in your product line. These compact cards are perfect for placing in glass jars or other storage containers. Use them alongside Integra Boost Humidiccant humidity control packets (also available) for