TMNT Leonardo Iron On Patch: Apply and Personalize It Right
By Bruder Toy Shop | Published: 2026-11-05
Category: Tips & Care
Learn how to iron on a TMNT patch without scorching the fabric, then use the customizable autograph feature to make your Leonardo patch one of a kind.
Quick answer
Iron the patch onto a flat, heat-safe fabric with a pressing cloth between the iron and the patch, using medium heat and steady pressure. Add the autograph only after the patch has cooled completely.
Why fabric choice decides the result
An iron-on patch bonds best to cotton and other smooth, tightly woven fabrics. Stretchy knits, nylon, and coated materials can resist the adhesive or distort under heat, so test a hidden seam first. If the jacket or bag has a printed logo or synthetic lining near the spot, keep the iron away from it.
Where the autograph feature changes your order of work
The customizable autograph element on this patch means you have a blank area to fill in. Heat and ink do not mix well: writing before ironing risks smearing or fading the signature. Treat the autograph as the final step, after the patch is fused and fully cool.
When not to iron directly
Delicate vintage denim, leather, and waterproof shells should not take direct iron heat. For those, sew the patch at the edges instead, or use a pressing cloth and the lowest setting that still activates the adhesive. If you are unsure, choose stitching over heat.
Step-by-step: apply and personalize your Leonardo patch
- Preheat and position: Set the iron to medium heat with no steam, press the fabric flat for a few seconds, then place the patch face up where you want it. Check that the design is straight before applying heat. Steam can prevent the adhesive from setting, so empty the water tank first.
- Press with a cloth: Lay a thin cotton pressing cloth over the patch and press firmly for 20 to 30 seconds, moving the iron slowly. Do not slide the iron back and forth. A common mistake is lifting the iron too soon; hold full pressure for the whole count.
- Check the bond: Let the patch cool for a minute, then lift one corner gently. If it lifts, cover it again and press for another 15 seconds. Do not peel the patch fully off to test it, as that weakens the adhesive.
- Add the autograph: Once the patch is completely cool, write your name or message in the autograph area with a fine-tip permanent fabric marker. Let the ink dry before wearing or washing. Test the marker on a scrap of fabric first if you are unsure how it bleeds.
- Care for the finished patch: Wash the item inside out in cold water and air dry it. Avoid bleach and high dryer heat, which can loosen the adhesive and fade the printed design. If the edges start to lift after washing, re-press with a cloth rather than pulling at them.
Product facts
- TMNT29123 TMNT - 1980's Cartoon Leonardo Iron On Patch w/ Customizable Autograph!*: The patch is an iron-on format featuring Leonardo from the 1980s cartoon. That format means the adhesive activates with heat, so your iron temperature and pressing time directly affect how well it stays on.
TMNT29123 TMNT - 1980's Cartoon Leonardo Iron On Patch w/ Customizable Autograph!* - TMNT29123 TMNT - 1980's Cartoon Leonardo Iron On Patch w/ Customizable Autograph!*: It includes a customizable autograph feature. Plan your signature or message before you start, because the patch is easiest to write on once it is flat and cool.
