Something every artist should have, ya can find em here, this looks like a great accessory for any painter that just became know to me so I thought I'd mention it if some are unaware of it's existance.

http://www.panelpak.com/?gclid=CJeogN-9jLcCFUqZ4AodLlAAzg

PanelPak™ The smallest, lightest way to protect your wet paintings.Features:Ultimate flexibility - Carry a variety of panel sizes without the bulk of traditional carrying cases.Wet paintings are fully protected from contact with dirt or objects that could harm them.Lightweight - we know that every ounce matters. Perfect for plein air painting.Slim design slides easily into any backpack or gear bag. No sharp edges or protruding parts.Strong - we're sure that you will subject them to rugged conditions.Quality - We have refined our design & construction over 2 years, 2 continents and too many miles!PanelPak wet panel carriers work by holding 2 panels face-to-face, separated at a fixed distance by a wood spacer. Paintings are supported around all four edges, much like they would be in a picture frame. When secured with our heavy-duty bands, the unit is compact, fully enclosed and easy to handle.