If you're looking for an envelope sample pack for wholesale printing, there are a few options you can consider:

1. Online envelope suppliers: Many online envelope suppliers offer sample packs that include a variety of envelope sizes, styles, and colors. Websites like Envelopes.com, The Paper Mill Store, and JAM Paper provide sample packs that are specifically designed for wholesale printing. These packs usually contain a selection of popular envelope sizes, such as A2, A7, and #10, allowing you to see and feel the different options available.

2. Local print shops or stationery stores: Visit local print shops or stationery stores in your area and inquire if they offer envelope sample packs for wholesale printing. They may have sample packs available or be able to provide you with samples of different envelope types and sizes. Discuss your specific needs and ask if they can provide you with a variety of envelopes to help you make an informed decision for your wholesale printing.

3. Envelope manufacturers: Some envelope manufacturers offer sample packs directly to customers, including those who are interested in wholesale printing. Reach out to envelope manufacturers and inquire about their sample pack options. They may have specific packs tailored for wholesale printing, which can give you a comprehensive overview of the envelope options available for your printing needs.

When requesting an envelope sample pack for wholesale printing, consider factors such as the range of envelope sizes, styles, colors, and quality of the samples. It's also helpful to inquire about any associated costs for the sample pack and shipping. This will allow you to assess the envelopes firsthand and make an informed decision for your wholesale printing requirements.