Print or prepare the label (if required), peel off the backing, position the label on the fabric, then apply heat using a household iron or a heat press following the product’s temperature and timing instructions.
Sizes vary widely by product. Examples include individual numbers about 3 inches high, narrow fabric tape around 0.47 in (12 mm) wide sold in ~9.8 ft rolls, and wider rolls such as 5.5 in × 24 in.
Many fabric iron-on tapes list compatibility with 100% cotton, 100% linen, 100% polyester, and polyester/cotton blends. Other iron-on materials may be designed for a wider range of fabrics—always check the product compatibility information.
Package contents vary. Transfer sets often include multiple sheets (for example, four sheets totaling 25 numbers), while fabric tape and iron-on rolls are sold as single measured rolls such as 0.47 in × 9.8 ft or 5.5 in × 24 in.
Allow 24 hours after application before washing. Wash and tumble dry garments inside out, avoid bleach, and if ironing again, press only from the garment’s reverse side.
Some fabric iron-on tapes use a narrow width around 0.47 in (12 mm), typically supplied as ~9.8 ft rolls for label machines that accept roughly 1/2‑inch tape.
Some iron-on number sets list each number as about 3 inches high. Packages may include multiple sheets—for example, a set that provides a total of 25 numbers.