RS Berkeley Soprano Saxophone Saver Kit (Green) Green Reed Guard, Mouthpiece Saver, Repair Saver Soprano Sax Swab, and Premium cork Grease. Reed Guard for Soprano Sax fits 4 Reeds The RS Berkeley Mouthpiece Saver is designed to clean the mouthpiece on your Soprano saxophone. Using a mouthpiece saver will help eliminate moisture and keep your mouthpiece clean, dry and playable. (Color Varies) Repair Saver Soprano Sax Swab and Premium Cork Grease is great for maintaining your Saxophone. Perfect Accessory package for the Soprano Saxophone player.