12-pc Poly Mailer bundle 12-pc Poly Mailers pack it chic Medium, Large, XL & XXL six -10×13 Poly Mailers two-12x15 two 21 x 24 x 6" white expansion mailer two 24 x 24 XXL teal mailers 12 poly mailers 3 fun prints 6 oversized mailers for larger items Great for resellers and to make your Poshmark shipping easier. These are good quality mailers, they're thick, durable, Practical and the prints are fun & adorable. Need more or different sizes? Send us a message on your bundle to inquire about availability and additional prints & sizes Questions? Leave a comment below!