What does it mean that an easel is convertible easel?

There are a lot of easel travel cases out there and I'm sure that if you looked on amazon or ebay for a case with the height of the easel you have you'll be able to find something.

No, its very easy. If you want to make a sturdy wooden easel, follow the instructions on this link:

http://www.ehow.com/how_5553540_make-homemade-artists-easel.html

you can also make more disposable easels out of cardboard:

http://www.enchantedlearning.com/crafts/Easel.shtml

A more portable easel, usually with collapsable or foldable legs so it can be carried to the place you want to paint, sketch, etc. They may also have a strap of a handle for easier carrying

French easel's consists of an easel with a sketch box for you supplies and paint palettes. In addition, the French easel has a carrier to which you can attach your canvas.

Try this website: http://www.winsornewton.com/products/easels/ or you can also find them on ebay: http://www.ebay.com/sch/Easels-/41204/i.html

You can find them on-line. Here are 2 websites:
http://www.dickblick.com/buy/category/display-easel

http://www.displays2go.com/displayeasels.html

This easel is for photographic paper. It keeps the paper in place either on the table or standing up. It is generally used together with the enlarger.

I lost the instructions to the Smart Easel from Roseart. Can't find it in website either!

Lift right side of top bar of easel. remove horizontal support bar at back and bottom of easel legs. Push fabric down slightly on back curved legs of easel. Find tiny silver button on the inside of each back leg and push each as you wiggle and pull leg apart. look for hinged bar in middle back of easel and push up. Easel should easily fold on itself so you can put it into the bag.

You can find step-by-step instructions on YouserGuide.com. Use this link: http://youserguide.com/wiki/Melissa_and_Doug_Deluxe_Wooden_Easel_Assembly-001 My daughter loves her easel. Have fun!