Clearlast® vinyl envelopes give your important documents visibility and protection.Reinforced holes or adhesive backs make them ideal for hanging or attaching to files and folders.Clearlast® press and seal envelopes offer extra protection from dust, dirt, and moisture.Your documents are locked safely inside. Envelopes are made of clear flexible vinyl. Red press and seal closures allow easy finger-press closing.When ordering, specify the stock number with short (S) or long (L) side opening.