The available sizes are 25, 35, and 50 mm. in different colors and designs. The wooden blind is easy to use with the chain or rope hand-pull. The room decorated with a blind set a different atmosphere from the fabric, depending on the individual preference. The strength of blind is the effective light prevention with no odor absorption. Currently, both waterproof and authentic wood (non-waterproof) blinds are available and only different in the usability at the different locations.