All the algodao collection jewelry is made with cotton natural dyed in Brazil and components in brass. The knot necklace was designed for you to play with your own knots and possible ways to wear, it's an adjustable piece. The cord measure is 35" and the fringes 2.5". Each piece of jewelry is handmade in my atlanta studio with care and love. Please allow 1-2 weeks for your order to be made and shipped!