Isacord 1000m Polyester 0630 Buttercup Thread

I’ve been using this buttercup yellow on heavy denim and it runs through my machine without a single break or snag. The color is vibrant and the polyester feels tough but smooth to the touch.

The 1000m spool lasts forever, and this buttercup yellow is so vibrant it pops on dark denim perfectly. It runs through my machine without a single snag, and the strength really shows when I stretch the finished embroidery.

I've worked with rayon threads for years, but the difference in strength here is immediately obvious — it doesn't snap or fray even on dense satin stitches. The 1000m spool lasts through a full day of production without a single break, and the buttercup color pops beautifully on dark fabrics.