Apply to natural fabrics From here slowly add 2 teaspoons Sodium Alginate SH for hand painting or 4 teaspoons for screen printing, and stir constantly for 10 minutes until smooth. For thicker fabrics, use a thinner consistency of liquid dye solution to ensure dye penetration., Made in the USA., Use to thicken dyes In Tie Dye Jacquard Alginate De Sodium SH 20Z Produit Teinture Maison Peinture Tissu alginate de sodium - Jinchun Tinte Para Tela - Alginato De Sodio Jacquard (sh) 2 Piezas S For painting - stamping or screen printing , 2 ounce bag , Made in the USA