Kraft Bubble Mailers These small padded mailers features with excellent shockproof and tearing proof effects, mailing envelopes bubble padded suiatble for long-distance delivery and transportation in harsh environments, an affordable alternative to standard packaging. Strong Self Sealing Adhesive Our padded envelopes use a self-sealing design, and it is tamper-resistant and tamper-evident, which can maintain strong stickiness throughout the year, even if the weather is very hot or cold. And the bubble mailers adhesive is covered with adhesive strip, simply peel and fold over to seal each package safely and securely. High-quality Bubble Padding Bubble envelopes interior built with bubble lined wall construction and the reinforce sealing on the edge. The bubble bags seal well and the padding is sufficient, can play a very good buffering effect and provid more protection during transit, ensures that the items you post are intact when they arrive at their destination.