A set of three all purpose zip pouches for organization and travel, made from machine washable heavyweight nylon. Gusseted pouches lay flat or expand to hold your daily essentials. Medium pouch holds a Kindle or an iPad mini. Large pouch holds an iPad or a 12 inch MacBook.

Actually, they make really handy project bags! 

Large is 9.4 in. H x 14 in. W x 6 in. D when fully expanded.
Medium is 7 in. H x 10.5 in. W x 4.3 in. D when fully expanded.
Small is 4 in. H x 6.75 in. W x 2.3 in. D when fully expanded.

100% heavyweight nylon. Machine washable.