- A lightweight, durable training aid for swimming practice in pools, open water, and structured swim courses. - Lightweight construction and rugged materials make it easy to carry and suitable for long term training use. - Suitable for beginners, recreational swimmers, and professional athletes who want to improve technique. - Improves swimming efficiency and technical level without altering your natural movements. - Why you need it: helps you train smarter by focusing on form while keeping your stroke smooth and consistent. - What makes it better: compatible with standard drills and coaching plans, designed to enhance performance without changing your routine. - Use scenarios: Pool practice: technique drills, tempo sets, and lap work. Open water training: form-focused pacing and endurance sets in real conditions. Swim courses or coaching sessions: integrates into drills to reinforce progress. - Size and care: compact size for travel and storage; durable construction built for repeated use. Rinse after use and air dry to maintain longevity.