No Skateboarding Bicycle Riding Roller Blading Roller Skating Scooter Riding Sign Our Private Property Signs are constructed of rust-free, heavy gauge (.063), durable aluminum Our Private Property Signs are made with 3M Engineer Grade Reflective sheeting and 3M inks Our Private Property Signs are rated by 3M for at least 7 years no-fade service Our Private Property Signs have holes drilled at top and bottom center for easy mounting We manufacture our own No Trespassing Signs--We are not a reseller.