CHMI White Bubble Mailers 8.5 x 12 Inch 100 Pack, Usable Size 8.25X12 Inch Poly Mailers,Mailing Envelopes,Shipping Mailer，Opaque Self Seal Adhesive Waterproof Bags for Packaging and Shipping.

【Perfect Size】: The external dimensions of the bubble mailer bags are 8.5 x 12 inches, with a usable size of 8.25 x 12 inches. They are ideal for shipping phones, jewelry, cosmetics, crafts, and more. Perfectly suited for your shipping needs, they are also great for business packaging.

[Thick Bubbles]: CHMI bubble mailer bags feature thick bubbles that help absorb shocks during transit, providing perfect protection for your items.

[Durable High-Quality Material]: CHMI bubble mailers are made from premium polyethylene material, which is resistant to punctures and damage. They provide shockproof, waterproof, and dustproof protection for your items, ensuring they arrive at their destination safely even in harsh weather conditions.

[Strong Adhesion]: CHMI bubble mailers come with a robust self-sealing strip that offers excellent adhesion, ensuring they effectively complete their shipping tasks.

[Easy to Use]: CHMI bubble mailers are designed for convenience—simply peel off the self-sealing strip and fold to securely seal each package. This significantly improves your work efficiency,making them ideal for business use to meet your shipping needs.