--- product_id: 167108032 title: "Dry & Dry Premium Humidity Indicator Cards (12 Cards) - 10-60% 6 Spot(Reusable)" brand: "dry & dry" price: "27903CFA" currency: XOF in_stock: true reviews_count: 6 category: "Dry & Dry" url: https://www.desertcart.sn/products/167108032-dry-and-dry-premium-humidity-indicator-cards-12-cards-10 store_origin: SN region: Senegal --- # 6 precise humidity spots (10-60%) Reusable 20+ times Clear reversible color change Dry & Dry Premium Humidity Indicator Cards (12 Cards) - 10-60% 6 Spot(Reusable) **Brand:** dry & dry **Price:** 27903CFA **Availability:** ✅ In Stock ## Summary > ♻️ Stay ahead of moisture with precision you can see! ## Quick Answers - **What is this?** Dry & Dry Premium Humidity Indicator Cards (12 Cards) - 10-60% 6 Spot(Reusable) by dry & dry - **How much does it cost?** 27903CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/167108032-dry-and-dry-premium-humidity-indicator-cards-12-cards-10) ## Best For - dry & dry enthusiasts ## Why This Product - Trusted dry & dry brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Eco-smart reuse:** Reusable cards designed to last over 20 cycles, reducing waste and cost - • **Precision at a glance:** 6 distinct humidity levels from 10% to 60% for exact monitoring - • **Dynamic color feedback:** Color shifts from blue (dry) to pink (humid) and back, reflecting real-time changes - • **Industry-leading clarity:** Strictly tested for sharp, reliable color changes to avoid guesswork - • **Enclosed environment optimized:** Engineered for accurate readings in sealed spaces, perfect for sensitive storage ## Overview Dry & Dry Premium Humidity Indicator Cards offer 12 reusable cards with 6 color-changing spots that accurately measure relative humidity from 10% to 60%. Designed for enclosed spaces, these cards provide clear, reversible color changes (blue to pink) to help professionals monitor moisture levels precisely without batteries or electronics. Ideal for protecting sensitive items, they combine eco-friendly reuse with industry-leading accuracy. ## Description International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Review: quite hard ro read - the first oreder 'got lost' but i received a credit and ordered again...but the price had gone up! the spots eem to react to the humidity quite well, but the colour change is not terribly clear, quite suntle really. Review: Non reversible colour change - I understood this product to be able to change colour back multiple times. However when I removed it from its packaging all dots turned pink and never returned back to blue again. ## Features - 12 Premium Humidity Indicator Cards(REUSABLE More than 20 times) - Cards should not be in Direct Contact with Foods or Medications - Our Humidity Indicator Card is the Highest Quality in the Industry for Humidity Measurement. - Strictly Tested for Clear Color Change - Indicator Changes Blue(Dry) to Pink(Humid). Humidity indicator cards are sensitive to temperature, humidity, atmospheric pressure, and wind. Therefore, they do not work well in open air. They work well and display accurate relative humidity level in enclosed space. - When You Initially Open the Card, All Dots Sometimes React and Change Color Because They are Exposed to Sudden Humidity. If You Wait for About 30 minutes, the Card will Calibrate and You will be able to Read the Humidity Level. - 6 Spots Humidity Indicating(10%/20%/30%/40%/50%/60% RH - Clear Color Change) - CONTINUOUSLY & ACCURATELY Displays Humidity Level - If the humidity level becomes lower, the strip will change back to blue (the original color). Just because the color has changed to the next level does not mean it cannot go back to the previous color. The colors will change depending on the humidity level. Colors may fade with long term use of more than 20 times.(See Our Customers' Review) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07D7LSZZP | | Battery Description | No batteries needed | | Battery description | No batteries needed | | Best Sellers Rank | 129,634 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 1,957 in Blank Greeting Cards | | Brand | Dry & Dry | | Colour | blue | | Customer Reviews | 4.0 out of 5 stars 127 Reviews | | Item Weight | 0.02 Kilograms | | Item weight | 0.02 Kilograms | | Manufacturer | Dry & Dry | | Manufacturer Part Number | DDHUMID20PK-6 DOT | | Model Number | DDINCCRD10 | | Mounting Type | Tabletop | | Mounting type | Tabletop | | Operating Humidity | 10-60% | | Operating humidity | 10-60% | | Smart Home Compatibility | Not Smart Home Compatible | | Temperature Accuracy | 2 | | UPC | 712396969211 | | Unit Count | 12.0 count | | Upper Temperature Rating | 30 Degrees Celsius | ## Product Details - **Battery description:** No batteries needed - **Brand:** Dry & Dry - **Colour:** blue - **Item weight:** 0.02 Kilograms - **Mounting type:** Tabletop ## Images ![Dry & Dry Premium Humidity Indicator Cards (12 Cards) - 10-60% 6 Spot(Reusable) - Image 1](https://m.media-amazon.com/images/I/71PeWp0MdAL.jpg) ![Dry & Dry Premium Humidity Indicator Cards (12 Cards) - 10-60% 6 Spot(Reusable) - Image 2](https://m.media-amazon.com/images/I/61borWqZa3L.jpg) ![Dry & Dry Premium Humidity Indicator Cards (12 Cards) - 10-60% 6 Spot(Reusable) - Image 3](https://m.media-amazon.com/images/I/61DGnmcL6ML.jpg) ![Dry & Dry Premium Humidity Indicator Cards (12 Cards) - 10-60% 6 Spot(Reusable) - Image 4](https://m.media-amazon.com/images/I/61+wMP2QmCL.jpg) ![Dry & Dry Premium Humidity Indicator Cards (12 Cards) - 10-60% 6 Spot(Reusable) - Image 5](https://m.media-amazon.com/images/I/81MM98lRrdL.jpg) ## Questions & Answers **Q: What does "can be reused 20x" mean if they don't require recharging?** A: Yes sometimes you don't need to recharge it. Rainy days go to pink, sunny days go to blue again. If you change humidity level lower, they can go back to blue again. You can use hair dryer or sunlight to lower humidity level. Thank you. **Q: What country are these manufactured in?** A: They are manufactured in South Korea. **Q: Are they safe to use in food containers?** A: No they are not safe for food. Thank you. **Q: Hi, are these cobalt-dichloride or cobalt-chloride free? when do they expire?** A: Blue to pink humidity indicator cards contain cobalt chloride. There's no expiration date on humidity indicator cards. As long as you keep them in tight sealed container with silica gel packet, they will last for long time. Humidity indicator cards are sensitive to temperature, humidity, atmospheric pressure, and wind. Therefore, they do not work well in open air. They work well and display accurate relative humidity level in enclosed space. The humidity card itself is reusable. When the humidity level is high, the dots will change from blue to pink and when the humidity level is low, the dots will change from pink to blue again. With long use, the color of the dots may fade away. Then, you can replace the card. We do carry cobalt free humidity indicator cards (green to purple). You type ASIN B01DYOR0WY in Amazon search bar. Color change is not as clear as blue to pink (cobalt chloride) cards. Thank you. ## Customer Reviews ### ⭐⭐⭐ quite hard ro read *by J***N on 19 July 2022* the first oreder 'got lost' but i received a credit and ordered again...but the price had gone up! the spots eem to react to the humidity quite well, but the colour change is not terribly clear, quite suntle really. ### ⭐ Non reversible colour change *by P***L on 10 June 2025* I understood this product to be able to change colour back multiple times. However when I removed it from its packaging all dots turned pink and never returned back to blue again. ### ⭐⭐⭐ Erfüllt den Zweck *by F***D on 7 August 2025* Etwas schlecht zu erkennen der Farbwechsel. ## Frequently Bought Together - Dry & Dry Premium Humidity Indicator Cards (12 Cards) - 10-60% 6 Spot(Reusable) - Dry & Dry [1 Quart Premium Orange Indicating Silica Gel Desiccant Beads(Industry Standard 2-4 mm) - Rechargeable Silica Gel Beads(2 LBS) - AFA Tooling - Deburring Tool with 10 Extra High Speed Steel Blades - Works on Metal, Resin, PVC, and 3D Printed Plastic Edges - Great for Copper and PVC Pipes, 3D Printing, Resin Art, and Metal Work --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sn/products/167108032-dry-and-dry-premium-humidity-indicator-cards-12-cards-10](https://www.desertcart.sn/products/167108032-dry-and-dry-premium-humidity-indicator-cards-12-cards-10) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-07-25*