Generic White Poly Mailing Bags Non Padded Mailers 12" x 16"+1.8" Pack of 100pcs Size: Width x Length + Lip Color: White color outside and black color inside, non-transparent Thickness: 0.065mm. (65 micron, 2.5 Mil approx.) Friendly Reminder: Before making order, please check the color, size and quantity you want. We have different colors, sizes and quantities for you to choose.