JAM Paper Black Matte Bubble Mailers with Self Adhesive Closure are ideal for sending standard sized documents, files, and smaller items safely and easily through the mail! They are great for protecting and packing your items in one easy step. Twelve mailers are included in this pack. Each one is made of thin, durable plastic and is lined with packing bubbles on the inside. The matte black color of this envelope keeps its contents completely safe from sight and makes it appropriate for both casual and professional mailing scenarios. Each closes with a self adhesive strip on the top flap opening. There are few simpler and safer ways to send thing through the mail than with these padded envelopes. Use them for quick packaging and trustworthy assurance that your mail will arrive without damage. Details: Matte black 6.5" x 9.5" 12 padded mailer envelopes Self adhesive strip Plastic and packing bubbles inside