Comfortable Mouthpiece - Food-grade silicone material and ergonomics designed mouthpiece for better breathing and focusing on stroke.
Adjustable Head Strap - Suitable for different head sizes and stay put and help you relax in the pool to improve your swimming skills.
One-way Valve - Smooth water release and choke-free design prevent hassles underwater with optimized one-way purged design.
Enhance Swimming Technique - Center-mount structure helps to focus on all competitive stroke and improve efficiency when lap swimming, compatible with swim caps and goggles.
Solid Quality - High-end odorless PU material tube and durable silicone mouthpiece and valve for long-lasting usage.