Premium Humidity Indicator Cards 20 Pack(Reusable) - 10-60% 6 Spot(20 Cards)

Description

💧 Stay ahead of moisture with precision you can see!

These Premium Humidity Indicator Cards offer a reusable, highly accurate way to monitor relative humidity between 10% and 60% using 6 color-changing spots. Designed for enclosed environments, they provide clear blue-to-pink visual cues and recalibrate automatically within 30 minutes, making them ideal for protecting sensitive items without direct contact.