Sunshine 500mg Rosin Cartridges are 100% solventless, ZERO distillate or additives derived using our premium in-house rosin.Sunshine 500mg rosin cartridges are derived using our premium in-house rosin. Using small amounts of heat and pressure, we create an ideal viscosity and hand fill each individual cartridge. It's our belief that cartridges should be user-friendly and work properly with every single pull.