YOU CHOOSE THE SIZE, WE CHOOSE THE PRINT! * Size: 6x9", 10x13", or 14.5"x19" * Durability: Small Biz Shipping Co poly mailers are thick, durable, water-resistant, and puncture-resistant. At 3.15mil thick, this mailer is sure to deliver your item safely. These mailers also feature a self-adhesive strip to help you pack quickly and stay sealed through delivery! * Details: You'll be saving over 40% with this surprise bag of mailers! If you love our design style and a little bit of fun, then you'll love this mystery pack! This 100ct pack will contain 2 or more designs totaling 100 pieces of unpadded poly mailers. Please Note: Actual colors may vary due to screen size, brightness, and type.