All-in-One Size Ruler: 17 x 7 Inch extra large Tshirt ruler guide for vinyl alignment provides maximum flexibility to apply vinyl alignment to all adult sizes ( / L / XL / XXL) and types of shirts. Premium Material: T-shirt ruler guide is made of advanced Acrylic material, which is not easy to deform and damage. The flexible fiber is elastic, soft and will not break. It is light, easy to carry, safe and durable. Precision and 2-Sided Usability: T-shirt ruler is printed with high cost technology, the scale and numbers are permanently clear and easy to read. It 't flake or fade even after years of use. Reversible tshirt ruler has double-sided usability to achieve maximum contrasting color lines on light and dark T-shirt backgrounds Easy to Use: T-shirt alignment tool makes your heat transfer vinyl and sublimation easier and more convenient. Before hot pressing, you simply point the ruler at the shirt collar, center the pattern, and secure the pattern with heat tape. time to repeat location and Wide Applications: Tshirt Ruler Guide for Vinyl Alignment suitable for heat presses, sublimation, screen printing, iron on vinyl, vinyl press, shirt printing and others. It can be used as a sewing and cutting ruler for clothes. Color: Transparent Material: acrylic Package Contents: 1 X tshirt ruler guide 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.