Features: Crafted with acrylic, this 45 degree sewing ruler ensures crystals clear visibility for fabric alignment and effortlessly diagonal in quilting and garment projects. Features marking and double 45 degree angled guides, combining nonslip durability with scratch resistant edges for accurate pattern drafting and bias tape creation. Addition for quilters, fashion designs, and craft requiring professional tool for textile projects across cotton, linen, and mixed materials fabrics. Optimizes workspaces efficiency home sewing stations, professional tailoring workshops, or mobile crafting set with its portable designs and rounded safety corners. The integrated measurement grids and color contrast markings enhances visibility across multiple fabric layers, while the heat resistant acrylic maintains during prolonged ironing supplies. Specifications: Materials: Acrylic Type: As Picture Show, Two Type to Choose Size: 15x10cm/5.91x3.94inch, 21x12.5cm/8.27x4.92inch Package Includes: 1pc Patchwork Ruler 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.