All Slave to the Needle Flash Sets are printed as limited edition lithograph sets (unless specified otherwise). The more recent sets are on a HEAVY postcard stock. All sets are shrink-wrapped with accompanying ACCURATE detailed line sheets. The per page design average of SLAVE FLASH far exceeds, in some cases quadruples the industry norm. This means More Designs for Your Buck! Online Flash sets orders of $150.00 and over get An 18x24” Tribal poster with lines FREE!!