???Eco Friendly Materials Bubble Mailer???The envelope is made of kraft.Your customers will be surprised and relieved to open a bubble mailer of eco friendly materials. Using biodegradable shipping supplies will speak volumes about your sense of social responsibility and the high grade of your brand, and bring you closer to your customers through a good corporate image. ???Perfect Size Padded Mailers???The padded envelopes outer size are 8.5x12 inch,while the inner size are 8.5x11 inch.Bubble mailers #2 are great for packing CD, DVD, jewelry, makeup supplies, photos, magazine, books, clothes and more. ???Durability & Sturdiness???Padded envelopes 8.5x11 crafted with high quality materials. A thick layer of air bubbles has a cushioning effect to prevent product damage from impact. Each mailer is fully opaque for privacy and built to withstand the rigors of shipping and handling. ???Simple Peel & Seal ???Simply peel and fold over to seal each package safely and securely.Bubble envelopes are equipped with a strong self-sealing adhesive strip that cannot be easily torn apart and tamper-resistant.Moreover,the smooth surface of the yellow Kraft bubble mailers can be written, labelled and stamped. ???Convenient & Economical???These shipping bags are lightweight,protecting items.Package bags can lower your rate of damage claims and increase profits. ???Packing for Small Business???These shipping envelopes are perfect for online retailers and boutiques.Bubble bags have gained popularity for shipping in the ecommerce industry.You can count on our poly bubble mailers to keep your packages safe until they reach their destination safely.