Reddit reviews Aqua Cotton Mat Bag - 7" Round x 27" Long - Easy Open Zipper - Large - Made in USA
We found 1 Reddit comments about Aqua Cotton Mat Bag - 7" Round x 27" Long - Easy Open Zipper - Large - Made in USA. Here are the top ones, ranked by their Reddit score.
A Sturdy 5mm Zipper runs the full length of the bag giving Easy Access - with none of the difficulties that come with open end bagsOur Strong and Comfortable 1+1/2 Wide Cotton Shoulder Strap evenly distributes bag weightThe Outside Zippered Pocket fits all your small essentials7" Diameter by 27" Long with a 30 inch shoulder strap - 100 % Cotton Duck 10 oz FabricOver 30 years of Handcrafted Products - Made in Chicago, Illinois
Not really the best solution but a yoga mat bag and these sewn onto it would probably work well.
If you google around for something alone the lines of "cylinder top tube bag" you may find something better.