HIGH QUALITY CRYSTALS Made of high quality raw material with further dust treatment, our flower drying crystals are ideal for displaying flowers, herbs, boutonnieres, corsages, wreaths, seeds, etc. Humidity Indicator:With 10% orange silica gel that allows the user to quickly determine when desiccant needs to be charged or replaced. (Orange beads will change to dark green) [Instructions for rejuvenation] You can rejuvenate the silica gels as instructions. The drying crystals can be reused when dark green bees are back to orange. (Rejuvenates in the oven: 0.5 to 1 hour at 200°C to 250°C; Rejuvenates by microwave: 7 to 10 minutes in defrost mode) [ Resealable Packaging ] Resealable zipper pocket (external packaging) plus OPP bag (internal packaging), very good for delivery and storage. [Easy to use] Kocl2 free, these products are perfect for beginners to dry flowers DIF crafts, very easy and convenient. Note: Please wear gloves and respirator mask if needed. › See more product details Model: Size: Color: