Fu Global Bubble Mailers 10.5x14.5 Inch Padded Envelopes #4 Self Sealing Bulk Bubble Envelopes Mailing Shipping Envelopes 25PCS Useful Size: 9.5x13.5 Inch, each pack contains 25 lined envelopes. Whether you are thinking of mailing documents or something else, these padded sturdy envelopes should be your first choice. The envelopes keep your shipment safe from damage and tampering until delivery. The bubble lining provides a layer of padding that normal laminated envelopes don't.Opaque and Lightweight Mailers: