Natural bamboo woven wood material with overlapping slats such that 90% of light is blocked out.A 100mm overhanging pelmet finishes off the blind at the top. Blind is pulled up and down using cords and the blind headrail carries a cord-lock which will hold the blind in place at various stages of rolling up. Cleat hooks are provided for winding of excess cord.Easy to install onto 2 hooks which go into the wall.