Bernat Pipsqueak yarn is snuggly and perfect for knit and crochet baby garments and accessories! Ideal for last minute projects, Pipsqueak is bulky and easy to work with. Bernat Baby yarns are tested for over 300 harmful substances and proven to be safe for your baby's sensitive skin. Conveniently machine washable and dryable for easy care. Super Bulky Weight 5 made of 100% polyester; also referred to Bulky or Roving weight knitting yarn.