This adorable newborn bear hat and swaddle sack cocoon is made using a nice soft mohair yarn. It measures approx 15 in long by 8 in wide unstretched and is made to accommodate any size newborn as it does stretch quite a bit for the bigger babies or it can be tucked in for the smaller ones. Your sweet little one will feel so warm and comfy inside this super soft swaddle sack and it makes the perfect newborn photography prop!