WYIPOLZI 300x400mm Large Kraft Padded Envelopes 20Pcs, Heavy Duty Bubble Mailers Self Seal, Waterproof Protective Shipping Bags for Mailing, Packaging

• Usable Size: 280 x 400mm, Widely use for cosmetics, paintings, fashion accessories, jewelry, papers, documents, letters, etc. They are strong enough to protect fragile things during the transport.
• Air Filled Bubbles: The interior built with bubble lined wall construction for extra protection during transit, ensure the packages arrive in great condition.
• Strong Self Sealing Adhesive: The self-seal closure provides a reliable, tamper-evident tight seal to secure. Don't easy to peel off when you close the bag.
• Lightweight Bubble Lined Envelopes: These small bubble envelopes mailers add a pop of color to the mail. Your customers will look forward to that charming envelope in the mail.
• Easy to Use: Extra smooth surface is perfect for handwriting, labeling and stamping, excellent label adhesion, no need for anything special!

20Pcs Kraft Bubble Envelopes 300 x 400mm Gold Padded Envelopes Self Seal Postal Bag for Gift Wrap Heavy Duty and Lightweight 【Multipurpose Envelopes】 These mailer envelopes can be used in offices, at home, in shops, schools and everywhere where there is a need for shipping. 【Convenient & Easy to Use】 These yellow kraft padded envelopes are the perfect choice for small and middle business for easily using with not require extra packaging material, which can improve your company productivity at work, save much time and mailing cost.