4 Pack Sewing Rulers: package includes 4pcs clear sewing templates in different functions including boxy bag zip pocket and curve bag; multiple functions in one set reducing time and improving efficiency Boxed Bag Template: firstly choose the size and align the corner of the template up to the bottom corner of the fabric then cut out boxed corners without fear of cutting too far convenient for making bags pouches and boxes Zip Pocket Templates: the marks around the edges are great ad a quick reference guides for any small distance it can reduce measuring and you can choose your ideal length to draw around it Curve Bag Template: use the curve bag template to create curves on any of your projects including various different sized curves and you can used the inner curves and outer curves according to your needs Quality Material: the sewing patchwork tools are made of acrylic firm and not easy to be damaged slides over fabric clear and transparent easy to see the fabric through the template for easy placement