KE Shop 5000pcs Water Plant Jelly Crystal Soil Mud Water Pearls Gel Beads Balls (Multicolor) Crystal mud water beads magic is a kind of water-absorbent polymers that can be used for growing plants indoors. How long does it last: It is reusable as you keep adding water There are air purification function 5000pcs/Pack,A variety of functions,Particularly suitable for families, guest houses, hotels, bars, restaurants, boutiques, specialty shops, tea houses, etc., as a decorations Water pearls are designed to absorb and retain water, This Is then slowly released. They can be used as a substitute for water in the vases or simply as a decorative display.