【Sturdy Material】Our magnetic seam guide is a set of seam guides in three different colors, made of resin and magnets. They feature an irregular polygonal appearance with sharp edges and corners, and edges of different lengths can meet different sewing and cutting needs. The magnetic design on the bottom allows you to easily attach the seam guide. It is lightweight and portable and will not wear out or scratch easily. 【Polygonal and Magnetic】The advantages of this magnetic seam guide are its irregular polygonal design and the internal magnet on the bottom. The irregular polygon adapts to different seam sizes, and the longer sides have scales to facilitate fabric cutting. The magnetic design allows you to easily attach the seam guide to your machine. The magnets on the bottom make it difficult for the fabric to shift. 【Easy to Use】It is very convenient to use with sewing accessories and supplies. It offers a high degree of freedom and can be easily installed and removed at any time.