The metal clasp that can be used to keep the envelope shut is what gives the clasp envelopes their name.These are usually larger than regular letter envelopes so they can hold standard-sized documents without folding.The address rules are the same as a regular envelope, but you may need to work around the clasp to keep your handwriting clean.
Step 1: Consider a label with glue.
If the clasp on your envelope makes it difficult to write, you can purchase a sticky address label from a post office or stationery store.If you want to write on the label on a flat surface, you can peel it off and put it onto the envelope.Continue to the next step if you write directly on the envelope.The main address label should be smaller.
Step 2: The envelope should be flat.
Place the envelope flat with the clasp facing down.To feel where the clasp is, run your hand across the envelope.
Step 3: In a landscape orientation, arrange the envelope.
The flap should be on the right side if you turn the envelope.
Step 4: The sender's address should be written in the top left corner.
You have plenty of space in the center of the envelope if you write your address in small print.The address format is the same as on a normal letter.This is the standard in the US, and similar format are used for most other countries.The ZIP code is for international mail.
Step 5: In the center, write the recipient's address.
The address you write is the same as the one you want to send the envelope to.This can be written in large print on the same side of the envelope.If the clasp is under the center, you should plan where to write.To avoid bumps, you might need to write this slightly off-center or write the clasp in between two lines of the address.
Step 6: Add instructions.
If you have extra instructions such as "Do not bend", write them on the back of the envelope.If you don't know if you need to write "air mail" or a similar instruction, you can look up instructions on the post office website.
Step 7: Your mail should be inside the envelope.
You can slide your mail into the opening by flipping the envelope open.If possible, place the top edge of the document close to the opening.
Step 8: Lift the clasp arms.
A butterfly clip with two metal arms is the most common type of clasp envelope.Unfold them so they are straight up.You might have to pry them up with your fingernails.Wrap the string around the other circle instead of closing the flap if your envelope has two circles and a string.
Step 9: If necessary, peel the flap.
If your envelope has a strip of paper along the edge of the flap, it's time to peel it off.If your flap has a lick-able strip, wet it to make it sticky.
Step 10: The metal clasps need to be pushed through the flap.
The flap and metal arms should be positioned beneath the hole.Push the hole over the arms.Run over the edge of the envelope with your thumb to seal it.
Step 11: Wrap the arms around the Flatten and secure them together.
Take the clasp arms out and flatten them against the flap.If you want to prevent the clasp from catching on other mail, put a piece of tape over the arms.
Step 12: Fix postage.
If you apply the appropriate postage in the upper right-hand corner of the envelope, it will be ready to mail.Postage is required depending on the size and weight of the envelope.You can pay for postage over-the-counter if you can't find instructions.