About this item PACK OF 25 PADDED ENVELOPES 4 X 7. Padded mailers are efficient packaging for small business and shipping means. 4x7 bubble mailer comes in bright red and solid self-seal tape with hot melt glue. RELIABLE FOIL. Envelope mailers for small business are produced from 5-layered metalized foil with a soft bubble lining. The construction of a padded envelope includes a 3/16 bubble cushion, which increases the level of protection. SECURE AND PROTECTED. Try our small padded envelopes if you don't want to be afraid that your package will accidentally open. Lock small shipping envelopes with the help of adhesive tape on top of them, and feel safe about integrity of your package with Christmas bubble mailers. SHINY DESIGN. How about surprising your friend with a gift you give them and with bright and dazzling packing envelopes for shipping? Add stickers or stamps as finishing touches on your holiday bubble mailers, and forget about ordinary and boring packaging bags. VERSATILE PADDED MAILING ENVELOPES. Logistic companies, shipping centers, and other small businesses can use our CD mailers. Ship sensitive items like cosmetics, technical gadgets, office supplies, and handmade crafts in poly bubble mailers.