Quick answer

Gently hand-wash patches in cool water with mild soap, air-dry flat, then sew or pin them on fabric for a secure, damage-free display.

Why cleaning method matters for anime patches

Anime patches like the Power #1 and SD Denji #1 from Chainsaw Man or the Shion patch from That Time I Got Reincarnated as a Slime are made with embroidered threads and an adhesive or sew-on backing. Harsh washing can loosen threads, fade colors, or damage the backing. A gentle hand-wash preserves the design and keeps the patch ready for display or sewing.

Step-by-step cleaning and display guide

  1. Step 1: Prepare your cleaning station: Fill a small bowl with cool tap water and add a drop of mild liquid soap (like dish soap or baby shampoo). Do not use hot water or bleach, as they can fade the patch colors. Have a soft-bristled toothbrush or a clean microfiber cloth ready. Check that your soap is dye-free and fragrance-free to avoid residue.
  2. Step 2: Hand-wash the patch gently: Submerge the patch and lightly rub any soiled areas with your fingers or the soft brush. For embroidered details like Power's face or Shion's hair, dab rather than scrub. Avoid twisting or wringing the patch, which can warp the fabric backing. If the patch has an iron-on adhesive, keep the water away from the glue side to prevent it from loosening.
  3. Step 3: Rinse and air-dry flat: Rinse the patch under cool running water until no soap remains. Gently press it between two clean, dry towels to remove excess moisture—never twist. Lay it flat on a mesh drying rack or a towel away from direct sunlight or heat sources. Drying usually takes 12–24 hours. Do not use a hairdryer or radiator; heat can shrink the fabric or melt adhesive backings.
  4. Step 4: Choose your display method: For a temporary display, pin the patch onto a fabric wall hanging, denim jacket, or corkboard using safety pins or locking pin backs. For a permanent look, sew the patch onto fabric using a needle and thread that matches the patch edge. Avoid iron-on application for collector-grade patches, as the heat can damage the embroidery. If you sew, use a thimble to push the needle through thick fabric and patch layers without hurting your fingers.
  5. Step 5: Maintain the display: Dust the patch weekly with a soft, dry cloth or a compressed air duster. If displayed on clothing, wash the garment inside out on a gentle cycle and air-dry to protect the patch. Rotate patches between displays to reduce wear on the threads. Keep patches away from direct sunlight for long periods to prevent fading.

Patch details at a glance