This suture trainer is designed to enable practitioners to learn surgical suturing and knotting techniques. It is the very latest suture practice module. It contains a large and realistic artificial skin pad which can be cut and sutured many times. The holder is strong and purpose built can hold the skin in place while you suture.Carefully removed sutures leave no damage on the pads, so you can suture up to 100 times without noticeable marks.There are five layers, representing skin, composite material fat, composite material,and muscle. Additional incisions may be made with a scalpel (scalpel not included). All products are guaranteed to be the highest quality for the best price. To purchase suture pads of different sizes and skin tones, with varying pre-made wounds, please visit our Amazon store.