Stella's Big Sewing Bag 

Wow, this bag will carry all your sewing needs. It measures 18 1/2"  by 16 1/2"
(not including the side panels which measures 7" at it's widest) 
There are 2 hugs stitchery pockets on the front. The back also has 2 stitchery pockets plus a centre pocket to slip your rotary cutter into. Inside this roomy bag there are 2 pockets on the front and back lining plus a further 2 on the side panels.

Take your current project wherever  you go. Plenty of room for everything, including a half-sized cutting mat.