Respironics Replacement Nasal Cushion XL, Silicone, Auto Seal Technology, For Pico Nasal CPAP Mask Pico's soft nasal cushion fits over just the tip of the nose so it requires very little facial contact. The dual-wall design features an inner wall that seals softly against the face and an outer wall that provides support and stability. Pico's cushion is simple to fit without leaks or pinching; and it adapts automatically to different sleep positions and movement so you can sleep your way... in comfort.