Features: 1As a T shirt guide ruler round neck collar measurement ruler t shirt alignment tool ruler garment sewing cutting alignment ruler etc. 2This tool ruler is transparent lightweight thickness 0.1 Inch printed gradually marks without paint loss multisize. 3Sizes of guide rulers including adult and youth perfect suits for your designs on multiple sized tshirts. 4Numbers and markers are clearly on the ruler that is easy to read and recognize and it is durable due to the heater UVprinted. 5This TShirt ruler guide is easy to use just need to simply alignment the ruler to the collar and center your design before pressing. Specification: Item Type: T-Shirt RulerMaterial: PVCColor: As shown in the pictureProduct Size: Approx. 40.5x12.7cm / 15.9x5.0inMouth Diameter: Approx.15.1cm / 5.9inWeight: Approx. 74g / 2.6oz Package List: 1 x T-Shirt Ruler Note: 1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.