The Marine Single offset umbrella is an ideal yacht accessory for anyone that wants a long lasting quality marine shade. The posts and side arms are 100 % made of powder coated aluminum steel with spokes constructed out of heavy duty aluminum to withstand harsh conditions. The structure as a whole is made up of replaceable parts which provide durability you can't get anywhere else. Powder coatings are available White, Brown, Black, Grey or as stated by you in a special order. This marine offset umbrella is crafted specially by hand in Europe.