20% Silicone,80% Wire Rope Imported Streamline Design: Engineered With Ergonomic Contouring, The Snag-Free Performance Ensures Unrestricted Motion During High-Intensity Activities, While The Minimalist Profile Integrates Discreetly With Athletic Apparel And Hairstyles. Adjustable Design：Pull The Adjustment Button To Adjust The Length Of The Eyeglass Frame...

75% cotton 25% silicone Imported Soft & Easy-Clean Silicone Material: Made from premium silicone, the retainer is comfortable against your skin and a breeze to clean, maintaining hygiene and durability. Adjustable Length for Custom Comfort: Easily adjust the length to fit your needs, whether...