• Soft silicone earplugs for sleeping with plastic case. • Environmentally friendly material. • Size: 1.8 x 3.2 x 2.8 cm. • Weight: 8 g/pair. • Ideal for meditating, studying, sleeping, bathing, swimming, and traveling. • Waterproof, allergen-free, and reusable material. • Ergonomic design for light sleepers. • Includes plastic storage case. • Easy to clean and use. • Do not use if the ear is injured. • High-quality, hypoallergenic, and dust-free material. • Optimal fit with fish tail design. • Noise reduction with three-layer in-ear design. • Durable, can be used for up to 1-2 years.