Package contents: The sufficient quantity and nice combination can meet your , you can also share them with your friends and family T-shaped sliding gauge: the size of it is about 6.85 x 2.56 inches; It adopts a two-side measurement system, which can easily and quickly add the seam allowance on the pattern or marking line of the fabric; It is easy to use and read numbers, and suitable for button holes, seam allowance table, DIY process and so on, making sewing life easier Measuring ruler: the size of it is about 5.92 x 0.59 inches, marked in inches and centimetres with a sliding device to meet your different needs, and the and edges are smoothed, so you can obtain accurate measurements without replacement Heat erase pens: these heat erase pens are designed in 4 kinds of colors, including blue, white, red and black; The size of each erase pen is about 4.41 inches; The ink will disappear when the temperature reaches 60 degree centigrade or above or washing, which is suitable for marking pen on fabric Wide applications: you can use these quilting ruler tools to measure, , mark and more, they are perfect accessories for DIY crafts, , card-making, paper art works, patchworks and so on; Moreover, they can also be applied for mark code spacing and button holes colour:Yellow Material:plastic size:7.09 x 3.54 x 0.63inches Package Contents: 1 x T-shaped sliding gauge 1 x fabric ruler 4 x heat erase pens in different colors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.