25 PACK- The natural gas marking stickers come in a 25 pack with arrows that can be cut and reversed. These natural gas pipe labels are stickers and work on any clean dry surface. The perfect natural gas pipe markers set size to get the job done. INDOOR/OUTDOOR- These natural gas pipe labels stickers can be used inside or outside. They are easier to use then natural gas pipe paint, and natural gas pipe tape. The natural gas marking stickers are bright and bold. HIGH QUALITY- The natural gas pipe markers are made in the USA from high quality pvc Film. These natural gas marking stickers are bright and bold. The natural gas pipe labels stickers work perfect for safely labeling natural gas pipes, garage heater, regulators. SELF ADHESIVE- The natural gas pipe labels stickers have a self sticking to the back of the film. These natural gas pipe markers stick great to any clean smooth surface. LAMINATION- The natural gas marking stickers are coated with a protective over coat to help protect them from the environment. These natural gas pipe markers are perfect for commercial or industrial use. MADE IN THE USA- Printed, Manufactured, Packed, and Shipped In the USA. (25 Pack) Natural Gas Pipe Labels Stickers With Arrows, Self Sticking 6mil PVC Natural Gas Pipe Markers for Pipes, Inspections, Detector, Regulator and Heaters. The natural gas marking stickers come in a 25 pack with arrows that can be cut and reversed. These natural gas pipe labels are stickers and work on any clean dry surface. The natural gas pipe markers are made in the USA from high quality pvc Film. These natural gas marking stickers are bright and bold. The natural gas pipe labels stickers work perfect for safely labeling natural gas pipes, garage heater, regulators.