Sufficient quantity: you will receive 300 pieces essential worker hard hat stickers, enough quantity for you to use on different places; Suitable for the whole shift, team, or work crewQuality material: these decals feature a laminate layer, which makes them water-resistant; They are made of quality PVC, no worry about wearing them out because it's waterproof and anti-wrinklingEspecially designed for industrial: these stickers are good gift idea for construction workers, linemen, electricians, iron workers, oilfield, fire crew, plumbers, foremen, mechanics, truckers, pipe fitters and moreMake people laugh at work: keep passion and laughter at work, bring more fun and laugh to workers or your friends, lighten up the mood and have a better work dayWide range of use: these waterproof circle decals are designed for hard hats, but they can also be stuck on clothes, doors, windows, floors, helmets, cars, bumpers to help others know your identity, also can remind people of the risks and the need to keep their distance