• High-quality material: flexible and hypoallergenic silicone. • Perfect fit: ergonomic design that ensures comfort. • High noise reduction: in-ear design that minimizes noise. • Durability: prolonged use of 1 to 2 years. • Wide application: ideal for sleeping, swimming, studying, and more. • Includes plastic storage case. • Size: 1.8 x 3.2 x 2.8 cm. • Weight: 8 g/pair. • High-quality silicone: waterproof and reusable. • Ergonomic design: ideal for back and side sleeping. • Easy to clean: rinse with warm water and air dry.