100 12"x15.5" Colored Poly Mailers (100 Teal 12x15.5 Poly Mailers) Add Color to your Shipping! 12"x15.5" Poly Mailer Envelopes Great to use to ship through USPS, Fedex, and UPS Hot Pink, Blue, or Teal (Your Choice) Also available in the 9x12 size