Original: Modern kites use synthetic materials, such as ripstop nylon or more exotic fabrics for the sails, fiberglass or carbon fiber for the spars and dacron or dyneema for the kite lines.
Simplified: Modern kites are made from synthetic materials, such as ripstop nylon or more exotic fabrics on the sails. They have fiberglass or carbon fiber poles, and use dacron or dyneema for the kite lines.