The lid should then be placed on the larger can, and the chamber should be left overnight or until odor is significantly reduced. It may take many days. Leave in a cool place, checking once a day to make sure no mold is growing. Slide the paper clip off the plastic, or use a pair of tweezers or a thin knife to bend the edges of the staples up and pry it out. The plastic will protect the paper from abrasion and from damage by your tools.
Staple pullers tear the paper.
Archival quality is the phrase used by conservators to indicate the properties that protect materials against poor environment or handling. True archival-quality boxes, envelopes, and folders don't damage their contents chemically, resist deterioration themselves, and provide physical protection and support. Unfortunately the term archival quality is widely misused. Acid-free can also be misleading. Good boxes, mats, folders, etc. for preservation use at home are low in lignin and buffered throughout.