Check the listing for details. Natural Dye - Walnut Hulls - Ground - 4 ounce package. Condition: New. Listed at 11.60 USD. Walnut Hulls Ground - Butternut to UmberHow much dye to order:All natural dyeing is based on wog or wof weight of goods or weight of fabric Here is the formula for the ground walnut hulls.20-25% wog for light shades50-60% wog for medium shades100% wog for dark shadesFor example 1 pound of fabric = 16 ounces = 453.59237 gramsRound up to 500 grams (17.6 ounces)multiply the % of ground walnut hulls x the wog/wof20% x 500 grams = 100 grams or 3.5 ounces of walnut hulls50% x 500 grams = 250 grams or 8.81849 ounces - round up to 9 ounces walnut hulls100% x 500 grams = 500 grams or 17.637 ounces – round up to 18 ounces walnut hullsSold in 4 ounce package, Ships from the USAInstructions for use included! **Buyer responsible for import/export rules to their country.**Know your laws! Not all products are legal to ship to your country and may be seized by customs. We cannot offer refunds or reships should this happen.