Ultra-fine 100wt InvisaFil™ thread by WonderFil, now available in sets of six coordinated 400 meter spools (approximately 437 yards). Basics 4 pack includes Black-101, Grey-103, Nude-217, Wine-231, Light Khaki-517 and Teal-607. These Mini Packs are the perfect choice for anyone who needs a variety of colors without the need to purchase larger spools, or a great way for those who want to sample InvisaFil for the first time!