Tulip Silk Needles, #6, tube of six (6) needles, are best used for silk, thin cotton and all very thin fabric. Large eye, flexible and warp resistant. The superior polished finish of Tulip Needles allows them to glide easily through fine silk fabric. All Tulip Needles, manufactured in Hiroshima, Japan, are designed specifically for needle artists. Hand-stitching needles have beautiful eyes for easy threading; special processing produces a body of ideal strength. Surface treatments include lengthwise polishing and/or nickel-plating for needles that resist rust and glide easily through fabric. The precision point provides smooth piercing for easy stitching. Needleworkers report experiencing less hand fatigue using Tulip brand needles!