OMG!! Ledmark Heavyweight Cotton Canvas Outback Duffle Bag, Green, Giant 48" x 20"  is very big, so big I can place a person inside, so big I'm thinking of returning it. but now to the good stuff
1 very sturdy and heavy duty
2 stitching is very nice and sturdy
in the mean time I am ordering one more and going two sizes down to the Large 30" x 18"