'Aqua Crystal' Expanding Water Storing Gel Bead Crystals - CLEAR - 20g bag Aqua Crystals absorb many times their own weight in water. Use as a substitute for water in vases Along with their practical use they are also perfect for decorative displays and centerpieces Ideal for Wedding Centerpieces, Parties, Offices, Candles, Arts & Crafts, Massage Therapy Each 20g bag will fill a 2 litre container (approximately)! Various colours available PLEASE NOTE - Vases, plants and candles are NOT included in the sale and are for illustration purposes only.