Water Pearls GREEN Centerpiece Wedding Tower Vase Filler-makes 6 gallons (8oz.pack) This is just for a Bulk bag 8 ounces of Green polymer pearls, they are created by simply adding water, the displays are not included. This is not a small 10 gram little package-it is 8 ounces = 225 grams- will make up to 6 gallons or 24 quarts of Pearls depending on water used. The "purer" the water, the larger the crystals will grow. Distilled water is the best Material: non-toxic super absorbent cross-linked polymer. How long does it last: It is reusable and can last for up to 4 months as long as you keep adding water