8.5 x 12 inch White Bubble Mailers Quantity: 50 Pack. Material:Polyethylene (PE). Size: 8.5 x 12 Inch. Color:White. Feature: The bubble bag is not easy to break, which can effectively protect the product during transportation. 8.5 x 12 Inch, sealed edges, opaque outer packaging. The surface is blank and can be labeled or marked. Wide Application: Wide Application: These self Self Seal Bubble Mailer is ideal for packing items such as clothes, makeup, documents, etc. Good choice for small business?home or personal use. ?Tips?If your product is fragile, please pack it with extra bubbles or tissue paper to ensure a safer product.