Features: Includes 2mm, 3mm, and 4mm addition to accommodate various sewing requirements for a variety of projects and fabric types. Straightforward and user-oriented structure assists even those new to sewing in quickly learning techniques with confidence. Constructed from plastic, providing extended reliability and consistent sewing operations over time. Small and easy-to-move structure allows for convenient sewing in any location, whether indoors or outdoors. Thoughtfully created templates improve sewing speed and outcome, reducing errors and enhancing project result. Specifications: Materials: Plastic Color: As Picture Show, Four Color to Choose Size: 4.8x3.8x2cm/1.89x1.5x0.79inch Package Includes: 3pcs Sewing Guides note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.