Um leather....
Most of the executive chairs are indeed made of leather. However, some chairs are made of cheaper, yet similar material so that they can be sold at a lower price.
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Many different types of leather are used when making office chairs as displayed in this website: http://www.chairoffice.co.uk/cat/58/leather-office-chairs.aspx
Leather tubs chairs come in a wide array of colors and designs. An individual could order a custom made chair to their exact specifications, and color.
Leather chairs are comfortable in the summer however if they are positioned in a room close to the window, for example, they can become hotter, easier, than other leather chairs.
At first the tennis balls were made of leather stuffed with chalk, sand and wool.
If you are looking for leather chairs, you should be sure to check the tag to make sure that the leather is actual leather. There is a lot of fake leather on the chair market.
While OfficeMax does sell furniture it does not appear that it sells ottomans. However it seems that Office Max does offer a variety of different computer chairs some of which are made of leather.
Leather desk chairs can be purchased at office supply stores and major department stores. Staples, OfficeMax, Walmart, and Target all sell leather desk chairs.
Leather chairs for an office are sold in many different places. Here is a comparison website which gives many different stores where leather chairs are sold and their price. http://www.nextag.com/leather-chair-and-ottoman/stores-html
Some pros of leather upholstered chairs include durability, fewer stains and the pleasant look of the finishing. Some cons of leather upholstered chairs include cost and maintenance.
Leather Office chairs are sold at a variety of stores, and even at local furniture stores and big chains such as IKEA. One can also purchase Leather Office Chairs online at stores such as Bestbuy, Target, Overstock and Amazon.