Ships same day if ordered by 3:00 PM ETFree shipping at $99+

from $59.99· cart is the oracle
Ships same day if ordered by 3:00 PM ET
Same-day print by 3 PM ET · fast UPS Ground shipping
Same-day production by 3 PM ET · free shipping over $59 · the cart is the oracle for your total.
The Smash Heat Seal 4220 (5 mil.) is a high-performance, transparent nylon (polyamide) double-sided adhesive film designed for permanently sealing badges, patches, and emblems to garments or hats. Featuring heat-activated adhesive on both sides, this versatile film bonds strongly to a variety of fabrics while ensuring exceptional durability, washability, and dry-cleaning resistance.
With a special release paper backing, Smash Heat Seal allows for precise application using a heat press or iron, making it an essential tool for embroidery and textile applications.
✔ Transparent Nylon (Polyamide) Adhesive Film – Provides strong, invisible bonding for seamless patch application.
✔ Double-Sided Heat Activation – Ensures a permanent, high-strength bond between fabric and patch.
✔ Exceptional Wash & Dry Clean Resistance – Ensures long-lasting durability and secure adhesion.
✔ Versatile Fabric Compatibility – Bonds well to acetate, silk, cotton, rayon, and wool.
✔ Easy-to-Use Release Paper – Allows for precise positioning before heat activation.
✔ Badges & Patches – Securely bonds embroidered patches to hats, jackets, and uniforms.
✔ Emblems & Custom Appliqués – Provides long-lasting adhesion for custom garment decorations.
✔ Versatile Textile Applications – Works with various fabrics including cotton, silk, wool, and rayon.
Prepare the Fabric & Patch:
Apply the Heat Seal Film:
Heat Press Activation:
Cooling & Finalizing:
✔ Provides Permanent, Secure Bonding for Patches & Emblems – Ideal for high-quality, durable applications.
✔ Compatible with a Wide Range of Fabrics – Works well with cotton, wool, silk, rayon, and more.
✔ Designed for Industrial & Professional Use – Ensures long-lasting results, even after multiple washes.
✔ Simple & Efficient Application Process – Easy heat activation with no additional adhesives required.
The Smash Heat Seal 4220 – 5 Mil Transparent Adhesive Film is the perfect solution for embroidery professionals and textile decorators looking for a strong, durable, and easy-to-use heat seal backing.
Order today and achieve seamless patch applications with Smash Heat Seal!