Sew a compact bag. DIY tutorial with patterns. http://www.handmadiya.com/2014/06/blog-post_6.html:
Dare to DIY in English: DIY Tutorial: How to make a tote bag
Canvas Tote Shopping Bag DIY Step by Step Photo Tutorial. http://www.handmadiya.com/2016/05/canvas-eco-friendly-shopping-bag.html
Organizador de bolsa Mais
Might just have to make my own if I can't find one for a reasonable price in stores near me.
Kids Camp Sleeping Bag Tutorial by GYCT