Make sure you don't run out of the most popular colours and buy in bulk.This utility pack consists of 40 x Black 40 x White and 20 x Off-White 200m reels of SureStitch 100% polyester thread.SureStitch thread is fast becoming one of the most popular threads in classrooms because it offers good quality at great prices and is manufactured to high specifications to keep sewing machines running at their best.Features:40 x Black 40 x White and 20 x Off-White 200m reels100% polyester40/2 strand threadWash at up to 60°CRecommended needle sizes of NM70 - NM90