The Suture Practice Trainer Model is a training model from 3B Scientific and manufactured in Germany. This is a basic skill trainer which offers a limited facility for knot tying. The foam can be turned over and or replaced.- Highly portable- Rubber suction feet secure the base providing easy working conditions- Washable, durable and all parts replaceable. Sutures and string not provided. The trainer model is best used for student education. The Suture Practice Trainer Model is 9.4 x 8.7 x 2.8 inches.