Features: Powerful Moisture Absorption This 3D printing filament desiccant box effectively absorbs moisture, protecting your filaments from humidity and ensuring optimals print quality. Craft from nontoxic, environmentally friendly silica gel, this desiccant is safe for all users and can be regenerated through simple heating for long terms use. Replace with a new product or recycle it, which can be reused through the following methods. In sunny and dry weather, place it in sun for about 3 hours to evaporate the moisture absorbed by the desiccant and restores its performances (this method may cause incompletely color recovery and weak water absorption). Place it in a heatable vessel and heat it in a microwave oven with a temperature controlled between 80C and 100C, or select a medium to low ranges fire for heating. Due to different brands of microwave ovens and different heating power, the heating time varies. It is recommended that everyone take it out and observe it every 5 minutes until it returns to orange (pay attention to being hot when the temperature is high after heating). Specifications: Component:Silica Net Weight:470g Height:Approx.12cm/4.72inch Option Color:Orange,Blue; Note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color. Package includes: 1Bottle Silica Gel