Flat mailers 17 x 21

You're looking for flat mailers in the size 17 x 21 inches! Here are some options:

Paper Mailers:

  1. Bubble Mailers: These are great for protecting items like CDs, DVDs, and small electronics. You can find 17 x 21 inch bubble mailers in various thicknesses, such as 1/8", 1/4", or 1/2".
  2. Paperboard Mailers: These are sturdy and eco-friendly options for shipping books, documents, and other lightweight items. You can find 17 x 21 inch paperboard mailers in various weights, such as 24 lb or 32 lb.

Poly Mailers:

  1. Polyethylene Mailers: These are flexible and durable options for shipping items like clothing, accessories, and small parts. You can find 17 x 21 inch polyethylene mailers in various thicknesses, such as 1.5 mil or 2.5 mil.
  2. Polypropylene Mailers: These are similar to polyethylene mailers but have a slightly higher density and are more resistant to punctures. You can find 17 x 21 inch polypropylene mailers in various thicknesses, such as 1.5 mil or 2.5 mil.

Other Options:

  1. Custom Mailers: If you need a specific size or material, you can also consider custom mailers. Many online retailers offer custom mailer options, so be sure to check their websites for more information.
  2. Used Mailers: If you're on a budget, you can also consider purchasing used mailers. Just be sure to inspect them carefully before using them to ensure they're in good condition.

Remember to always check the dimensions and material of the mailer to ensure it's suitable for your specific shipping needs.