Candle wicks: Made of natural cotton and coated in soy wax.Suitable for soy, beeswax, palm, coconut, paraffin, etc. Pre-waxed and with tabs assembled per wick. **This is approximately more or less 100pieces, can be more or could be less +/- 1 to 2 pieces. Please buy only if this is ok with you** Length = 15cm / 5.9inches Size Guide: # 25 = for vessel with mouth diameter less than 5cm, also good for votive candles # 35 = for vessel with mouth diameter 5-6.5 cm # 45 = for vessel with mouth diameter 7-8.5 cm #50 = for vessel with mouth diameter 8- 10 cm #65 = for vessel with mouth diameter 10.5 - 12 cm # 75= for vessel with mouth diameter 12.5cm It is always recommend to do testing for any changes or addition like wick sizing, wax combination and change of fragrance oils.