LOCKOUT TAG: A required critical tool in safety, performance, and maintenance operations that complies with OSHA 29 CFR 1910.145 and ANSI Z535 requirements. LONG-LASTING MATERIAL - These danger do not operate tags are made of a pliable, polyolefin-based material, with 3/8" hole that is pulp-free, tear-resistant, waterproof, and have a scuff-resistant matte surface that is easy to write on with pen or marker. INNOVATIVE DESIGN: Our tags-by-the-roll lockout tags are connected end-to-end with perforations for easy removal that are available in quantities of 100 & 250. PORTABLE, EASY TO USE DISPENSER - Each roll of loto tags are housed inside an eye-catching, octagon-shaped cardboard dispenser which features a 1-1/2" perforated center hole for mounting, and measures 6 5/8" x 6 5/8" x 3 5/8". DANGER SIGN - Alert, call out, or draw attention to temporary hazards with danger do not operate messaging to draw attention to a hazardous situation that could result in serious injury.