/ / / DIY Felt Valentine’s Day Mailbox

DIY Felt Valentine’s Day Mailbox

Sewing | Valentine's Day

Create a sweet Valentine’s Day Mailbox made from felt! Perfect for holding valentines and cards or even sweet treats and small gifts! Check out the DIY tutorial to create your own!

Valentine's Day DIY Mailbox

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Hello Crafty friends! Valentine’s Day is fast approaching and I am excited to share with you this felt mailbox tutorial! As a kid, I loved Valentine’s Day – we got to make adorable Valentines for all of our friends and eat pink cupcakes – what’s not to love!? I decided it would be really cute to make my little one a Valentine’s Day mailbox to collect his Valentines in. Of course he is not old enough to be getting Valentines from school friends or making his own, but my family loves to send cards in the mail. Honestly, he has just been having a blast carrying it around and putting his toys in it! Whatever keeps him occupied during these cold months is a win for me!

The mailbox is made from felt which is fun and easy to work with since you don’t have to worry about raw edges. The tutorial is below so you can make your own!  It is meant to hang on a doorknob but would also make an adorable Valentine’s Day purse!  You've got mail! Red felt mailbox with Valentine's Day cards.

Red felt mailbox with felt hearts stitched to the front with the word MAIL written in felt stickers.

DIY Valentine’s Day Mailbox

Supplies Needed:

  • Red and grey felt – 4 sheets each plus scraps for decorations
  • Fusible web interfacing like Wonder Under Fusible Web
  • Red ribbon for handle
  • Velcro – I used this red velcro pack from Babyville Boutique but white works too!
  • White and pink felt – scraps for decoration
  • Felt alphabet stickers (found in the felt section at Joann Fabrics)
  • Red, pink, or white embroidery threads for decoration
  • Ruler, scissors, Pinking Shears, thread

Step by Step Tutorial

Step One:  Cut out the pattern from the red felt.  

The dimensions for the 6 pieces are listed below. You can create paper patterns to use from the dimensions or go ahead and just cut them out of the red felt using a ruler. 

  • Back Piece:  8″ x 10.5″
  • Front Piece: 8″ x 10″
  • Flap Piece: 7″ x 8″
  • Bottom Piece: 3.5″ x 8″
  • 2 Side Pieces: 3.5″ x 10″

Step Two: Add a second layer of felt to each of the red pieces to make them thicker and stiffer.

I decided to make my felt pieces thicker by adhering them to another layer of felt; in this case grey felt. To keep the two layers together I used Wonder Under, fusible web interfacing, which also helped to stiffen the pieces.

First, iron the back side of the red felt pieces to the fusible web interfacing and let them cool. Peel the paper backing off and adhere the red felt to the gray felt. I happened to have a large piece of grey yardage left over from another project. After the pieces are adhered together, cut all of the pieces out. You will now have 6 pieces that are all two layers thick.

Red rectangles of felt are placed on a large piece of gray felt.

Pieces of red felt lined with gray felt on the other side.

Step Three:  Sew the bag together starting with the sides and bottom of the bag.

Keep right sides together and stitch with a 1/2″ seam allowance. My right sides are the red felt, the inside of the bag will be gray. Press seams open.

Bottom and side pieces pinned together ready to be stitched at the machine.

The bottom and side of the mailbox being stitched with red thread at the machine.

Next, finish off the tops of the side pieces and front piece by top stitching two rows close to the top. The felt does not need to be turned under like you would fabric, but you will want this stitching to keep the layers together and it helps keep the pieces from stretching out.

Pieces of red felt that have been stitched along the top edges.

Step Four: Attach the front to the back of the bag.

Keep right sides together and stitch with a 1/2″ seam allowance. Start with one of the side seams and stitch with the side piece on top of the front piece. Keeping the side piece on top will let you see when to stop stitching. Stop stitching when you hit the seam of the side and bottom piece connecting. Stop and back stitch.

Side of the mailbox being stitched to the front of the mailbox at the sewing machine.

Stop stitching at the seam.

Clip the seam allowance to the new perpendicular seam line. Then rotate your pieces so you are now sewing the along the bottom of the front piece.  Clipping allows you to rotate your fabric pieces.

Clip to the seam before continuing to sew.

Begin sewing at your seam line. Again, sew until you hit the next seam. Clip your seam and rotate the fabric so you can sew along the last to the top of the bag.

Start sewing at seam after rotating fabric to now stitch the bottom of the bag to the front of the bag.

Felt mailbox partially sewn; the sides and bottom are sewn to the front piece.

Flip the bag over and double check your seam lines all match up. Since we are sewing through four layers of felt you may need to go in and connect any gaps.

Close up of a corner of the bag where a small gap in stitching is shown; just go back and make sure everything is connected.

Step Five: Add the back of the bag and flap.

With right sides together, sew the flap to the top of your back piece.  Press the seam allowance towards the back piece and top stitch it down.  This just makes the inside of your mailbox neater. 

The bag flap and back piece are stitched together at the machine.

The seam allowance from the last seam is sewn down with a top stitch at the machine.

Use the exact same method as you did for sewing the front piece. Keep the side/bottom pieces on top and do one seam at a time, stopping to clip so you can rotate the pieces.  

Back of mailbox is pinned to the bottom of the mailbox with straight pins.

The back of the mailbox with attached flap is now sewn to the rest of the bag.

Step Six: Finish the flap.  

You will need to resolve the flap – if you lay your bag with the back facing up and the flap out, you will see the flap is wider than the back – go ahead and trim the extra off. Then using your machine, top stitch around the three flap edges to finish them off and keep the layers together.

The bag is flipped over with the back side facing up to show the flap is wider than the bag; the overlapping edges are trimmed off.

The valentine's day mailbox with flap open.

Step Seven: Attach the ribbon strap.  

My ribbon strap measures 17″ long. Make sure if you are gifting this bag to a child that they cannot fit their head through it. Attach each end of the ribbon to the sides of the bag. I placed the ribbon ends inside the bag and stitched from the right side. You could also hand sew this. 

A piece of red ribbon is pinned to the side of the valentine box and stitched with the machine.

Step Eight: Add the velcro.  

Add Velcro to keep the flap on the bag closed. I used red velcro (I bought this velcro pack for making bibs and have loved having colored Velcro for other projects), but white would be just fine. Stitch the rough side under the flap. Add the soft side to the front of the bag. 

A piece of red velcro is placed on the underside of the flap at the top; the rough side is face up.

Felt valentine mailbox with the flap closed; the stitch line around the velcro is visible.

Step Nine: Decorate the front of the bag!  

The best part! Decorate the front of the bag any way you’d like! I used felt letters to spell out mail and used pinking sheers to cut some of the felt to look like a stamp. I hand stitched my decorations on using embroidery floss. This step could be done before assembling the bag if you find that easier! 

Red felt mailbox with felt decorations placed on top of the felt mailbox.

Felt hearts hand-stitched to the front of the felt mailbox using a small running stitch and contrasting thread colors.

A white rectangle of felt, layers on top of a gray rectangle of felt with pinked edges, it hand stitched with pink thread to the top of the mailbox flap; felt sticker letters spell MAIL.

It is so adorable and so far quite durable since my little one has been using it to not only carry valentines but all the toys he can fit inside it! :) 

Red felt Valentine's Day mailbox hangs on a doorknob.

Red felt Valentine mailbag with sweet felt hearts on the front sits next to a stack of Valentine's Day cards with confetti all around.

If you’re looking for more fun Valentine’s Day-themed crafts, be sure to check out my Valentine’s Day craft page! Below are a few of my favorite Valentine crafts for kids :) 

Valentine’s Day Crafts for Kids

Happy Crafting! -Kim

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