Self Sealing (Just peel-n-seal)- keeps contents secure and tamper -evident and easy to use. High-slip bubble cushioning allows for easy product insertion and removal. Lightweight - Air bubble cushioning along with the polythelene exterior material provide exceptionally light protection. Confidential - Completely opaque for content privacy and professional appearance. Environmentally friendly - These mailers are 100% recyclable. Self sealing; water and tear resistant. Dimensions: #4 (9.5"x14.5") / (Usable Size 9.5"x13.5"). Listing and template services provided by inkFrog.