JellyBeadZ Brand - Black 8 Ounce -Centerpiece Wedding Vase Filler - Makes 6 Gallons This is just for a Bulk bag 8 ounces of Black 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. Reusable up to 2 years, 100% Biodegradable, Non-Flammable.How long does it last: It is reusable and can last for up to 4 months as long as you keep adding water