Proprobag 8.5 x 11 Bubble Mailers 50 Pack - Outer Size 9x12 Heavy Duty Black Padded mailer with Self Seal, Waterproof Shipping Envelopes, Bubble Wrap Protection for Ecommerce, Non See Through

【Perfect Size Mailers】Proprobag #2 Poly padded envelopes outer size is 9x12 inches, while the inner size is 8.5x11 inches.

【Strong & Durable Construction】 Proprobag bubble envelopes are crafted with 140gsm polyethylene materials and not easy to tear. Each mailer is equipped with a strong self-sealing adhesive strip that is tamper-resistant and tamper-evident.

【Convenient & Easy To Use】 Proprobag Padded poly bubble mailers are an alternative to standard packaging. Padded bubble poly mailers are great for light and less fragile products.

【Non See Through】The bubble mailer is made of 140gsm black polyethylene, more thick than others. Even if there is strong light, the items in the bag cannot be seen.

【Protect products Well】These padded mailers are lined with 140gsm bubble with unique air cellular layers and all-around strong air bubble technology, helping absorb shock during shipment.