One placement tool works for all adult-sized t-shirts. Quality Tool: made of 1/10” premium-grade acrylic, measuring approximately 7.25*8.25 inches. UV Printing: the t shirt ruler is less prone to fading with UV print. Curved Corners give a friendly, safe touch with 1.5mm radius corners. Great placement tool for small business owner and personal use, makes putting logos on shirts so much easier. This guide helps you in placing left chest logos on all adult-sized shirts. With UV printing, this t shirt ruler can last for at least 2 years without experiencing any fading. Please note: because there’s a small difference between shirts and designs, the placement guide may not always "look right" to you. Please use this tool as basic point and then adjust the placement of the logos accordingly.