Ultrasonic Elastic Entrapment is a process of entarping elastic strands between two layers of Nonwoven materials without using any adhesive or heat. Clean, simple, reliable, and robust process. It is not affected by disruptions in the web roll, or elastic strand movements. The process is not stopped to attach a new roll of web or elastic strand. Ultrasonic bonds through the multilayer materials and knots and disruptions in the roll.