COTN Threads Box of 10 makes it easier than ever to wick. COTN Threads is more than just the best tasting cotton on the market, arriving in a resealable travel bag. No twisting or measuring is necessary, as these cotton threads are the perfect length and size. They also promise to wick faster and can fit 3mm coils. Certified organic and pharmaceutical grade, each COTN Threads bag includes 20 pieces (total 200 pieces per order).