You get one three pack, approximate size of each sticker is 3.6" x .64". 
These are designed to go on the side of a standard AR 15 upper receiver.  These will fit on many other different types of firearms other than AR's, as well as on stocks, foreends, etc. 
Available colors:  White, Black, Grey, Tan, Red, Blue, Orange, Yellow, Pink, Neon Green, Stencil Vinyl.