Zeal X kraft Paper Bubble Mailer have complete bubbles to protect your value products from damage caused by external shocks. The thickened composite bubble bag, covered with strong kraft paper, provides extra protection during transportation, making it less vulnerable to punctures and ensuring your package stays intact. The interior of the foam bag is made of foam lined wall structure, the edge is reinforced and sealed, and it has good shock-proof and anti-tear effect, even if it is used in harsh environments, there is no need to worry. The envelope self-adhesive strip uses four seasons of environmentally friendly adhesive, whether the weather is very hot or very cold, it can maintain a strong adhesive all year round. The strong stickiness provides a reliable and tamper-evident tight seal to ensure that your packaging does not come apart.