You get one six pack, approximate size of each sticker is 1.25" x 1.25". 
These are designed to go on the side of a standard AR 15 receiver, just above the magwell.  These will fit on many other different types of firearms other than AR's.  
Available colors:  White, Black, Grey, Tan, Red, Orange, Blue, Yellow, Pink, Purple, Neon Green, Stencil Vinyl.