Hero Arts Storage Envelopes 7"X9" 10 pack - Large - This 10 pack of large storage envelopes is from Hero Arts and is part of the Hero Tolls Collection. These envelopes are made from sturdy, transparent plastic and have a top closure. They are the perfect size for storing 6" x 8" clear stamps sets or smaller. These envelopes are also great for storing embossing folders, die sets, and other larger craft items. These envelopes will help you get on your way to organising your craft space and being able to see where everything has been placed.