Best Material--- Moisture absorption perspiration,soft and smooth,easy to clean,anti-UV,natural healthy 100% cotton---It is made from 100% soft cotton,which is soft, silky and does not fluff or kink,so it is extra strong . Large Assortment of Colors---Color Number For your reference: Rice white,snow white,milk white,white ,dark red, lnulin,rose ,dark green,fruit green,sky blue,light yellow,rose red.Various color meets your different needs, and each color is very full and bright. Variety of Uses---Our multi use thread string is the best tool you will find for creating designs. The great variety of threads in this bulk pack are perfect for adults or kids and can be used to make a variety of items, crocheting, embroidering, sewing, decorating, craftknitting Easy to Use---The product is hand washable, tiled and dry,store easily,very convenient