12x15" Standard Size Premium Designer Printed Boutique Shipping Mailers. Our Special Blend of Polyethylene Unique to Our Mailers Creates an Extra Strong, Flexible, and Tear Resistant Bag, While Being Super Light Weight, Reducing Shipping Costs, and Being more Eco Friendly. Odor Free and Easy-to-Open Make These Bags Ideal for Quickly Shipping Clothing, Pants, Jeans, Leggings, T-Shirts, and Many Related Items, with no plastic smell to absorb into contents during shipping. Permanent & Strong Self Adhesive Strip Allows for Quick & Secure Packaging. Once the bag is sealed it cannot be re-sealed or tampered with, protecting your valuable merchandise. 100% Non-See Through. The Interior of our Multi-Layer Bags are Made with a Dark Lining Preventing the Contents of the Bag from Being Seen During Shipping, without impacting the outside printing quality of our mailers. No more double packing or wrapping merchandise to hide the contents during shipping.