Kreinik Blending Filament 055F Glow In The Dark Watermelon Use Kreinik Blending Filament, by itself or combined with other yarns, to create random highlighting effect in all hand embroidery like cross stitch and needlepoint, plus machine embroidery, crochet, and knitting. Scroll down to view the Blending Filament color chart and to order for your next project. Available on 50 meter (55 yard) spools.