This description from Della Q explains these bags perfectly " This mesh bag allows you to easily see your project, which is especially useful if you have multiple projects going at one time! The snap opening provides a snag-free environment while still keeping your projects secure. The Oh Snaps are ideal for more than making these also make incredible bags for travel, cosmetics, spare change, and beach days. It's lightweight construction allows you to take an Oh Snap with you.

These are sets - the L/XL dimensions are below.