XYZprinting RUGNRXTW00G Nobel 1.0 Resin PHOTOPOLYMER, 500 mL (17.637 fl. oz.), Clear (Pack of 2) Compatible with XYZprinting Nobel 1.0 3D printer Special formula to print in precise and accurate detail Smart bottle design allows for easy installation and resin level detection Comes in many different colors and textures Each package contains two 500ml bottles of resin