Features The t-shirt alignment ruler can be aligned consistently every time, so there is no need to guess when the alignment will be advanced. The ruler tool is very suitable for hot stamping, sublimation, screen printing, vinyl printing, etc. Four sizes of handmade rulers for adults, children, and children can meet different needs. Just align the ruler with the collar of the shirt and press to center the design. Specifications Material: PVC Size: 10 x 5 inches for adults, 10 x 4.5 inches for teenagers, 10 x 3.5 inches for children, 10 x 2.5 inches for children Package includes: 4 T-shirt alignment rulers ☞Reminder Please remove this tool before ironing shirts. Pressing the shirt with the alignment tool will melt the ruler and damage the heat press.