TATSoul Envy Gen 2 Cartridges Traditional Round Liner Prime+ Introducing the enhanced Prime+ Cartridge:

Introducing the enhanced Prime+ Cartridge: redesigned with a stronger membrane for superior stability and increased reliability while maintaining protection from back-flow

All Cheyenne Capillary Cartridges contain a patented Safety Membrane

and other magnums

Feature the artist-tested

TATSoul Envy Gen 2 Cartridges Traditional Round Liner Prime+ Introducing the enhanced Prime+ Cartridge:The next evolution of the premium needle cartridge by TATSoul is here. Envy Gen 2 features the industry's first finger ledge to provide maximum comfort and control, while retaining the same high quality construction and features of the original TATSoul Envy Cartridge.