The package includes: There are 3 pieces of t-shirt centering alignment tools, numerous handy tools to help you sew and design t-shirt projects, and share with friends or family 3 SIZES: T-shirt template ruler comes in 3 different sizes, approximately 10 x 5 inches, 16 x 5 inches, and 16 x 3 inches, and they are all about 0.03 inches thick, so you can use this accessory around make different sizes of t-shirts for family members or friends Well made: The rulers for placing T-shirts are made of PVC, are light and portable, but are not easily damaged. They are clearly numbered and marked so that you can read the instructions with ease as they are placed on different parts, the considerate design of the t-shirt color makes it smooth and convenient to use Ease of Use: The vinyl t-shirt making measurement tool is marked with positions for left chest, center, or right chest placement. This is how you get the correct measurement information when making t-shirts. You can align the ruler around the collar to find an exact center point to place your vinyl and start making your vinyl t-shirts Practical Gifts: These t-shirt rulers are for sewing, t-shirt design, and crafting. You can use them to design different types of t-shirts with your own style and to prepare some as gifts , relatives or friends to express your love or just send the tools to friends who like to sew and do handicrafts cheer them up Colour:Transparent color Material: pvc Package Contents: 3 x T-Shirt Making Measuring Tool Only the above package content, other products are not included. Note: Light 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.