Bulk Case of 63 Signs Danger Keep Out Hazard Area Sign 14x10 inch Aluminum Sign for Construction Site, Hazard Area, No Trespassing, Aluminum Sign with Mounting Holes BOPP labels ADJUSTABLE CORE Includes spacer quality control labels ADJUSTABLE CORE Includes spacer springs to accommodate various roll sizes SECURE PEEL & SEAL CLOSURE Each of these cardboard envelopes features a strong peel and stick adhesive closure for dependable sealing plus an easy tear strip that allows recipients to open packages quickly without damaging the contents HIGH VISIBILITY Features bold text and contrasting colors to grab attention and clearly communicate the hazard warning ensuring long term durability and resistance to weather conditions