T-shirt ruler: made of PVC. This T-shirt ruler guide can help get a consistent alignment every time and eliminate guesswork when shifting alignment. It's really helpful when designing in the center. Front and back design: Front and back alignment tools the production of T-shirts, they can perfectly help print alignment every time! It really eliminates the pressure of a lot of perfectionists! Easily make T-shirts: just align the ruler with the collar of the T-shirt, and then perform centering work before pressing. The ruler tool is perfect for your heat press, heat press, sublimation, screen printing, vinyl printing machine, etc. 4 kinds of rulers: There are 4 kinds of rulers to meet your needs, including adult ruler, teenager ruler, children ruler, V-neck ruler, etc., to meet the dressing needs of the whole family. The ruler is clearly marked with numbers and marks and is easy to read in any shirt color. Sturdy PVC tape ruler: Don't worry about the pvc ruler broken! It can be twisted at will, and it can be reused! Specification: Name: 4Pcs T-shirt guide ruler Product weight: about 54.6g V-shaped 4-piece set: 10 x 5 inches, 10 x 4.5 inches, 10 x 3.5 inches, 10 x 2.5 inches (length x width) Colour: white Material: PVC Package Contents: 4 x T-shirt guide ruler 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.