Description These emergency stop signs are made of PVCmaterial, durable and reliable for long time use. Featuringstrong adhesion, they are easy to stick and not easy to fall. It has simple design, but very practical in use, giving you good using experience. Features -Color:Yellow -Material:PVC -Size: 6.30X6.30X0.10cm/2.48X2.48X0.04in -Note: Outer diameter 63mm, inner diameter 23mm, for push button switch. -Paste this sign at any place you need to warn people, work great for home, office or factory. -Designed with eye-catching colors and words designs, it can easily attract people's attention. -Suitable for swimming pools, construction site, stations, platforms, docks and other occasions. - Strong adhesive sticker for your conveniences, easy to stick on most surfaces. Convenient to use. - Made of PVC material with good wear resistance, strong and durable for long lasting use.Package list: 2 x emergency stop label sticker