Features: Brand new and high quality It is perfect for indoor workouts, gym setting, outdoor exercises, or relaxations focusing on breath control. Crafted from quality silicone and ABS materials, this lung trainer ensures comfort and durability for extended use. Especially designing for fitness enthusiasts, musicians, and individuals lookings to improve their breathing techniques. Improve your respiratory strength with our advanced training tool, offering customizable resistance height for personalized workouts. Experience the convenience and effectiveness of our innovative trainer, specially to help you achieve your wellness objectives without effort. Specifications: Material: Silicone+ABS Color Options: 4Colors is Available as Shown in the Picture. Package Weight: about.69g Size: As The Picture Shows Package Includes: 1Pc Sports Breathing Trainer note: Please allow 1-2cm error due to manual measurement. Please make sures you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual colorful of the item. Thanks!