The Perfect Bob is a hair cutting accessory that delivers a salon quality bob hairstyle at home. The dual curved trimming guides allow you to create different bob styles from sleek to dramatic. Simple and easy to use. Gather the hair in the back and place on the Perfect Bob, comb hair straight and cut along the guide. There are two curved trimming guides, a large gentle curve for a relaxed bob and a smaller tighter curve for a more dramatic look or for a children’s cut. Made of Enduratex Marine Vinyl with Ribbed Non-Roll Elastic. Enduratex is a world leader in providing the highest quality vinyl fabrics. It is durable and last for years. Instructions included. Free Shipping.