Wonderful Silica Gel - Reusable Desiccant Moisture Absorbers (2 Pack)

• Reusable Desiccant Moisture Absorbers
• Economic way of protecting against moisture damage or mildew
• Contain two small boxes of silica gel desiccant.
• Blue gels - Dry ; Pink gels - Wet
• Ideal for drying and storing cameras and camera lens in a small air-tight container.
• Size: 5.3 x 5.3 x 2.3 cm 
• Weight : 0.07kg @

Tips: When Silica gels turns into pink colour =wet, it can be dried up by microwave oven in low power or hair dryer until the gels truns back to Blue colour. 

For easier operation, you may consider getting the Electronic Dehumidifier : HD-80CW or HD-90CW.