If you are looking for a slim pen case that folds into a tray when in use, this is the case for you. Incredibly thin, even stuffed with 14 Pitt Artist markers (the most I could fit). The material is similar to thick backpack material; it seems a little rough but durable. The strap that attaches it to the laptop has multiple elastic points that hold up well. My main concern is that the valve opens to the right (knobs are on the left), but I like to use it on the left so I have to turn after opening. I personally prefer the buttons on the right and the flap opening on the left. An inner full width pocket fits thin items like 6"/15cm rulers, bollards etc and an outer pocket fits another pen (if you don't take it full/overloaded) or flat items like ruler. Handles up to 6" fit , but anything longer probably won't fit (the sides of the "tablet" are more flexible, but I'd say you'd have a hard time getting a 6.5" grip there.
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