Take out a small amount of water gel beads and place them in a water basin or glass bottle. add an appropriate amount of water to the basin or glass bottle. Let these beads rest for 2-8 hours to fully absorb water. You will get water-absorbing beads with a diameter of 9 -12mm. The package contains: You will receive about 15,000 PCS dry water gel beads about the size of 1.5 - 2mm. It will grow in water to 10 - 12 times that of original size so about 9-12 mm. Notice: Only For Adult Use This product is non-toxic, but not food Remember To Ingest It By Mistake Easy to Use: Take out the dry water gel beads from the packaging bag and soak them in water for 1-3 hours, and you will get the fully expanded water beads Safety-Materials: These water beads are made of super absorbent polymer. They are safety materials Wide Range of Applications: These product are popular to use in vase filler for weddings and centerpieces, home party decoration, plant decoration, soilless planting, any floral design, stress balls, cold packs, etc.