180degree snap ring design for easy opening and secure closing, suitable for most users. Ergonomic construction that follows natural body curves for a comfortable and practical fit. Hollow center design enhances breathability and skinfriendly wear. Made of stainless steel for strength, durability, and reliable longevity. Key benefits Easy to wear: 180degree opening allows quick donning and removal. Comfortable fit: Ergonomic shape aligns with curves to reduce pressure and irritation. Skin friendly: Hollow center improves airflow and reduces moisture buildup. Durable and hygienic: Stainless steel material is sturdy and easy to clean. 23 use scenarios Everyday wear: Suitable for daily use where comfort and durability are important. Activities requiring easy access: The snap design enables fast opening and closing when needed. Hygiene and maintenance: Stainless steel construction simplifies cleaning and maintenance.