Features: Protects Against Deformation: This saxophone end Caps protects the octave key and prevents deformation during transportation. Fashion Design: The color of this ABS saxophone end Caps gives it a fashionable and sophisticated appearance. Perfect Size: This plastic saxophone plug is specifically designed for use with Altos saxophones, ensuring a perfect suitable size. Dust-Proof Design: This saxophone plug is designed to prevent dust from entering your instrument, keeping it and well-maintained. Protects Your Instrument: This saxophone plug prevents key collisions and protects your instrument from damage. Specifications: Material: ABS Color: As The Picture Shows Package Weight: approx.30g Size: approx.2.3x4.1x3.7cm/0.90x1.61x1.45in (More Size Detail, Please See Photo.) Package Includes: 3Pcs Saxophone Plug note: Please allow 1-2cm error due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Thanks!