OPMS Silver Red Vein Sumatra Powder The OPMS Silver line is renowned for its high-quality Kratom products, made through an extensive cold water extraction process. Red Vein Sumatra is made from mature leaves and is a potent powdered blend. The long drying process results in a dark color, indicating a higher concentrations. Available Sizes 1oz, 4oz, 16oz Key Features 100% organically grown and harvested with care by native farmers who specialize in Kratom production Additional Product Information Ingredients: Mitragyna Speciosa (Kratom) Leaf