Use a "these tennis courts are for tennis only, no roller blading, roller skating, ball playing, skate boarding" sign. There is a reason signs are so popular.
A bold sign gets your message across.
Compare our signs to the competition - you can really see the difference.
Size: 24" x 36" Material Type: Heavy-Duty Aluminum Sign, 80 mil Verified PurchaseGreat Signs!
They're exactly what we wanted!