From Joann.com:
Knit adorable baby apparel, blankets, accessories, and more with the Bernat Softee Baby Cotton Yarn. This baby yarn washes beautifully and gets softer with time. It’s made of 60% cotton and 40% acrylic for enhanced strength and comfort. You can use this light yarn to make year-around baby sewing projects. Easy to care for, this cotton-blend yarn is machine-washable and dryable.

Content: 60% Cotton & 40% Acrylic
Weight Category: 3
Weight: 4.2 oz, 254 yds
Care: Machine Washable & dryable

Interchangeable with Bernat Softee Cotton.
https://www.ravelry.com/yarns/library/bernat-softee-cotton