These adorable newborn bear hat and swaddle sack sets are made using a nice soft mohair yarn. They measure approx 15 in long by 8 in wide unstretched and are made to accommodate any size newborn as they do stretch quite a bit for the bigger babies or can be tucked in for the smaller ones. Your sweet little ones will feel so warm and comfy inside these super soft swaddle sacks and hats, they make the perfect newborn photography prop set!