ECOSOI - Pineapple Fibers - Eco-friendly Fiber Viet Nam The fibers are mechanically extracted from fresh Vietnamese pineapple leaves and naturally sun-dried, keeping their structure clean and intact. Glue ratio They contain about 20% natural glue and come in soft, natural shades such as white, green, or light brown. Impurity Level Impurities are above 25%, reflecting their raw and minimally processed nature. Supply & Pricing Bulk quantities are available on request, with flexible and negotiable pricing for different production needs.