The Pink, White, and Light Blue have the same yarn dimentions and information which are:

The brand of yarn: Sinfonia

100% Mercerized Cotten

Care Instructions:

Hand Wash or machine wash in cold water with mild soup. Do not bleach. Rinse well in cold water and remove promplty. Squeeze gently to remove excess water, then briefly roll in a twel. Lay flat and shape to dry. Wash colors separately. Rinse with water and salt in case you combine colors.

The dark blue, Orange, and light purple are unknown which type of yarn was used.