This is for a box of 4 x drawstring trainer bags. Box contains 2 x larger ones and 2 X smaller ones. The largest are 17" X 12" wide and smallest are 14" X 10.5" wide. All the bags have a clear plastic window across the bottom so you can see what's in the bags. Bags are designed as travel organiser packing bags and made from 100% polyester material. Draw string makes them easy to carry it are super light and foldable to go into backpacks, bags or luggage so ideal for any trips. They can also be used to store things at home like soft toys etc as a storage solution also.