Sturdy & Durable Construction: The thicken poly mailer 10x13 inch covers with poly material with 2.4mil Thickness. Beside, the plastic mailing envelopes features with tearing proof effects.

Waterproof Protection: These shipping bags are waterproof, making them perfect for shipping in wet or humid conditions. They offer protection against moisture, ensuring your items arrive dry and in perfect condition.

Self-Sealing and Easy to Use: The self-sealing feature of these polymailers makes them incredibly easy to use, simply peel and stick. There is no need for additional tape or adhesives, saving you time and money.

Privacy Protection: Our yellow mailer bags offer privacy protection, ensuring that your package contents remain concealed during transit. The thick material also makes it opaque and waterproof.

Size Selection Suggestions: Length:product length (in) + product height (in) + 2 in remainder. Width:product width (in) + product height (in) + 1 in remainder. Note: Both length and width needto fulfill the conditions.