1. Adjustabble 2. Very easy to install 3. Using Silicon magnetic seal, good in insulation-smog and sound-proof 4. Any color 1) Looks and feels like natural wood 2) Durable,firm because of its high density 3) High degree of UV and color stability 4) Highly resistant to moisture and termites, proven under salt water condition 5) Easy to install and low labor cost 6) Requires no painting, no glue, ...