Kelp flake: 1) Originated from wild or naturally cultured laminaria brown seaweeds in unpolluted area, 2) Carefully processed Kelp flake features:1) Grade: food, feed, agricultural, industrial2) Shape: sheet, strip, knot, thread, flake, granule3) Type: dried, salted, fresh, frozen4) Sheet size: various sizes available upon customers' requirements5) Colors: dark green, light green, brown6) ...