The new ResMed N30 Nasal Cradle CPAP mask takes comfort and simplicity to a whole new level. Whether you are starting CPAP for the first time or have been on therapy for years, you need to check out this new mask. The under-nose cradle design allows for an effective seal without any part of the mask going over the nose. This Starter pack comes with all sizes of cushions included. The size on the N30 are Small, Medium and Small-Wide. The N30 Cradle Mask is officially the lightest mask that ResMed has ever made. So it is like wearing nothing at all.