[Permanently Colored]: Made of copper, real gold plated, tarnish resistant coating. Passed 180h 15% salinity test, good color retention, suitable for middle and high-end jewelry [Flexible & Bendable]: Soft craft copper wire is bendable but shapeable, easy to bend or be cut with pliers, not easily broken. [Measurement]: Thickness 24 Guage (0.5mm,0.02inch); Length 30m (about 98-Feet/33-Yard). Sufficient for daily use and can be cut according to needs. [Versatile Usage]: Soft craft wire are very suitable for jewelry DIY making, crafts, wreaths, weaving, braiding, shaping, carving, beading wire, wrapping jewelry, ears wire, floral arranging, gardening, packaging, etc. [Well Organized]: Comes with a spool, packaged with a sturdy spool which is convenient to use and keep them organized without messy.