4x7 Inch Yellow Kraft Bubble Mailers - Heavy-Duty Privacy Shipping Bags with Peel-and-Seal Adhesive, Shockproof Packaging for Fragile Items, Jewelry & Documents (50 Pack) 50 pack 4'' x 7'' is up for auction in Office Products. The current bid is $6.50, 66% below the $19.00 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.