A type of embroidered or print patch, a heat seal patch is applied to fabric using heat and pressure. This kind of patch has a special adhesive that activates once exposed to high temperatures, which then allows it to bond securely to apparel, bags, or other textiles without the need for sewing. Heat press machines are used to join the patch and the material.

It’s one of the most popular patch types because it provides a clean, professional look all while maintaining durability. However, some people may opt to also sew in a heat seal patch for added security, especially for more worn items.

Where is a heat seal patch used?

A heat seal patch is also commonly used for branding, uniforms, and other promotional swag. Cotton, polyester, and denim are the best materials for a heat seal patch as they can withstand heat.