Button Parts and Supplies
Shells, pin backs, and mylar organized by button size
What Are Button Parts?
Each button you make requires three components: a metal shell (the top dome), a clear mylar cover (protects the design from scratches and moisture), and a metal pin-back (the bottom piece with the actual pin). Your paper circle, the printed design, goes between the shell and the mylar during assembly.
These are consumables. You reorder them as you make buttons. They come in sets, one set per button. The parts follow the Tecre standard, which means they work with most presses regardless of brand. A 58mm part and a 2.25" part are the same thing.
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2.25" Circle Parts (Most Popular)
The most common size with the widest selection
MK.Bear 200 Sets, 58mm / 2.25" Pin-Back
200 complete sets at about $0.15 per button. MK.Bear parts follow the standard Tecre sizing, so they work in any 58mm / 2.25" press. A solid restock order once you run through the parts that came with your machine.
1.25" Circle Parts
Compact buttons for collecting, trading, and promo
MK.Bear 500 Sets, 32mm / 1.25" Pin-Back
500 sets of 1.25" parts at just $0.07 per button. Small buttons go fast, especially for sets, series, and event giveaways. Buying 500 at a time keeps your per-unit cost low and your supply stocked. Works in any standard 32mm press.
1.5" Circle Parts
A versatile middle size
BEAMNOVA 100 Sets, 37mm / 1.5" Pin-Back
1.5" is less common than 1.25" and 2.25", so parts are harder to find in large quantities on Amazon. This 100-set pack from BEAMNOVA works with any standard 37mm press. A good starting point if you want to offer this size alongside your other buttons.
For larger quantities, check directly with button supply manufacturers like Tecre or American Button Machines for bulk pricing.
3" Circle Parts
Large, bold buttons that make a statement
MK.Bear 100 Sets, 75mm / 3" Pin-Back
100 sets of 3" parts at about $0.34 per button. At this size, each button uses more material, so the per-unit cost runs higher than smaller sizes. 100 sets is a good starting point for testing or small-batch runs without a big commitment.
Mylar Covers
Clear protective film for your button designs
Happizza Clear Mylar Film, 200 Pieces
Standard clear protective film. Gives buttons a glossy, professional finish and protects the printed design from scratches and moisture. Fits 2.25" / 58mm buttons.
YBUTVY Holographic Mylar Sheets, 200 Pieces
Holographic sparkle mylar in 12 different styles. Adds a rainbow shimmer effect to your buttons that catches the light. Square-cut sheets that you trim to fit any button size up to 3".
Heart-Shaped Parts
For Valentine's Day, weddings, and specialty buttons
MK.Bear 100 Sets Heart-Shaped Pin-Back Parts
Heart-shaped button parts from MK.Bear. 100 complete sets including heart-shaped metal covers, pin back covers, clear film, and blank paper. Use with the Happizza heart-shaped mold to make buttons that stand out from the round crowd.
Great for Valentine's Day events, wedding favors, fundraisers, and anytime you want a shape that says more than a circle can.
Heart-Shaped Mylar
Clear protective film for heart buttons
Happizza Heart Clear Mylar Film, 200 Pieces
Heart-shaped clear protective film sized for 57mm / 2.24" heart buttons. The mylar sits over your printed design and protects it from scratches, moisture, and fingerprints. You need these if you are making heart-shaped buttons with the Happizza heart mold.
The MK.Bear heart parts above include some mylar, but this 200-piece pack is what you need when you run out or want a dedicated supply on hand.
Interchangeable Molds
Swap sizes on a compatible press without buying a second machine
Note: These molds are designed specifically for Happizza presses. They are not universal and will not fit other brands. If you own a Happizza press that supports interchangeable dies, these let you switch between sizes without buying a separate machine.
Happizza Round Mold
Add any round size to your Happizza press. Available in 1", 1.25", 2.25", and 3". Swap in under a minute.
Happizza Heart Mold
Heart-shaped die for Happizza presses. Requires heart-shaped parts (see above).
Square Button Parts
Square button parts are not commonly available as standalone listings on Amazon. They are typically sold bundled with a compatible press or ordered directly from manufacturers like Tecre.
If you need square parts, check our button presses guide for machines that include square dies and compatible parts.
Bulk Buying Tips
How to keep your cost per button as low as possible
Buy in quantities that match your production. 100 sets is enough for testing a new size or press. 500 sets is the sweet spot for regular use, where the per-unit cost drops noticeably. 1,000 or more sets makes sense for business volume and event production.
Store parts in a dry place. Button shells and pin-backs are metal, and humidity causes tarnishing and rust. Keep them in their original packaging until you are ready to press.
Parts are standardized. A 58mm part and a 2.25" part are the same thing and will work in any standard press of that size. When in doubt, measure your press die or check the manufacturer's spec sheet.
Frequently Asked Questions
Yes, within the same size. Button parts (shells, pin backs, mylar) follow the Tecre standard, which most presses use. A 2.25" part fits any standard 2.25" press regardless of brand. Just match the part size to your press die size. Molds and dies, on the other hand, are brand-specific.
A standard set includes a metal shell (front dome), a clear mylar cover (protects the design), and a metal pin-back (bottom piece with the pin). Some sellers also include blank paper circles. You supply the printed design.
It depends on your volume. Start with 100 to 200 sets while you learn your press. Move to 500 for regular use. For business volume, 1,000 or more at a time gives you the best per-unit cost.
Most button part sets include mylar. You can buy mylar separately if you run out or want extras on hand. Standalone mylar packs work with any standard parts of the same size.
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