Details:Kraft Airjacket Bubble Mailers 125 x 18 Useful size 125x18 Large size padded envelopes with strong seams and self sealing gold Kraft bubble envelopes shipping envelopes PAcK of 10 mailing envelopes Business envelopes cOLOR: golden yellow HEAVY-DUTY: The Kraft Airjacket bubble mailer has been re-engineered with a stronger bubble and higher cubing efficiencies constructed with golden kraft paper exterior and lined with a bubble interior The paper is laminated to a resilient interior bubble material for effective cushioning Heat sealed sides and a bottom fold construction with a 316 bubble height offer superior bursting strength and protection for products in-transit SELF-SEAL closure system The pressure sensitive adhesive closure is reliable and tamper-evident The release liner peels off quickly making it easy to load contents and seal package when the packing process needs to be fast and efficient SEAMLESS BOTTOM affords additional cushioning protection along with greater overall strength and safety SIDED PROTEcTION: Superior side heat-sealed fins 12 &quot inch fins The side pouch heat seals and bottom fold construction provides superior bursting strength Your contents will remain secure from the point of origin to the destination SEcURE PAcKAgE: convenient self-seal closure while forming a water-resistant A simple yet effective pressure sensitive tamper-evident seal provides a reliable and convenient closure keeping products safe throughout shipment The quick release liner facilitates an efficient packaging process The kraft paper creates a professional image while providing effective protection of contents HIgH-SLIP barrier bubble cushioning materials allow faster easier product insertion cushion mailers are made from golden Kraft paper with the cushioning of sturdy bubble lining LIgHT-WEIgHT packing envelopes for saving postal cost