A great perk of owning an ergonomic kneeling chair is portability. These chairs are extremely mobile, as opposed to the traditional 90 degree chairs. In a majority of the models, the size of the chair is very compact. Those without a back support option stand at only two feet tall and very light weight. Because of these factors, the compact size of kneeling chairs makes them extremely mobile.
To fully take advantage of the portability of an ergonomic kneeling chair, invest in a folding model. Folding chairs collapse and become virtually flat. This makes it extremely easy to bring your kneeling chair with you wherever you go. Fold up the chair and toss it in the trunk of your car to easily transport it between home and work. In addition, folding chairs can be stored underneath your bed.
One caveat to mention about folding chairs is to consider the quality of the chair's design. Because of the increased amount of moving parts, the chair should be sturdy and made out of quality materials. Cheap chairs will fall apart over time. You really get what you pay for in an ergonomic kneeling chair. The best materials for would likely be wood for its durability and light weight.
If you would like to opt for a larger chair with a back support or arm rests, folding options probably are not available. In this case, I recommend going with a model with a wheeled base. This will make it easier to move around your home or office. In addition, a wheeled base will encourage you to move around in your chair which is a key requirement in ergonomics: to avoid stagnation.
My work revolves around being at a desk for the majority of the day. For years and years I lived with back pain until I invested in an ergonomic kneeling chair. Getting a portable chair was a great move as I'm able to easily bring it back and forth between home and office.