Baby Bling® The Original creator of the soft nylon knot headband. Made in the USA One Size. Fits newborn - toddler+ Stretches to grow with your baby. High-quality, USA made material. 100% Nylon. Headband is 3.5" wide Knot bow measures 4.25" across. Headband is 6" in diameter before stretching; 17" fully stretched.