

Give your sewing projects firm, reliable structure with Vlieseline S13/313 Standard Heavy Sew‑In Interfacing. This sturdy non‑woven interfacing is ideal for medium to heavy‑weight fabrics and provides strong support where shape and stability are essential. Perfect for collars, cuffs, waistbands, facings, plackets and structured craft items, it helps garments and accessories hold their form beautifully.
S13/313 is easy to sew, cuts cleanly and integrates smoothly into seams, making it a great choice for fabrics that cannot be fused or for sewists who prefer a traditional sew‑in finish. Whether you’re tailoring garments or constructing bags and home décor, this interfacing delivers a crisp, professional result.
65% of materials used in the making of this product are recycled. Machine washable at 60°C. Dry cleanable. Weight: 90g/m2. Certified OEKO-TEX 100 Class 11.
Vlieseline code: 53613741. S13/313
The price is per 1/4 metre. Multiple units will be cut in one continuous length.
Our standard width fabric can be cut as a Fat Quarter, measuring 50cm x 1/2 the width of the bolt. Above is an example of how your fabric will be received, depending on the quantity ordered.
We also offer a sample service, where you can order 1 single fat quarter of any standard width fabric, to have at home and compare colours. When you are finished, you can send them back to us for a refund (feel free to contact us for more information on this service).
Our fabric can be cut as a Long Quarter, measuring a minimum of 25cm x width of bolt. We will supply the fabric as a continuous length (eg; if you bought 1.25m it will be sent as one piece of fabric).

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