It sounds like you’re referring to a bulk purchase of C5 envelopes. A “30 Pack – Case of 10” likely means that each case contains 10 packs, and each pack contains 30 envelopes,…

How to Use C5 Envelopes 30 Pack – Case of 10

Step 1: Understand the Product

• This product contains 10 cases, each with a pack of 30 C5 envelopes.
• C5 envelopes typically measure 162 x 229 mm and are suitable for A4 paper folded in half or A5 paper.

Step 2: Prepare Your Documents

• Gather the documents you wish to mail or store.
• Ensure the documents fit within the C5 dimensions (162 x 229 mm) when folded.

Step 3: Insert Documents into Envelopes

• Take one envelope from the pack.
• Carefully fold your document if necessary to fit properly.
• Slide the document into the envelope, ensuring it is fully inside and flat.

Step 4: Seal the Envelope

• Moisten the adhesive strip on the flap of the envelope.
• Fold the flap over to the back of the envelope and press firmly to seal.

Step 5: Address the Envelope

• Write the recipient’s address clearly on the front of the envelope.
• Include your return address in the top left corner.

Step 6: Send or Store Your Envelope

• If mailing, affix the appropriate postage stamp in the top right corner.
• Drop the envelope into a mailbox or take it to the post office.
• If storing, place the envelope in a safe location for future use.

Additional Tips

• Double-check that all information is correct before sealing the envelope.
• For bulk mailing, consider printing addresses on labels for a cleaner look.