Safe material: The earplugs are made of quality foam, which is wearable, eco-friendly, not easy to deform. Slow recovery: The foam earplugs are able to recover slowly, which makes the earplugs fit different ear canals, suitable for adults and kids, women and men. Portable: The sleeping earplugs are designed with a carrying case, convenient to store and carry in the pocket, not taking much space. Ergonomic: The soundproof earplugs are ergonomic, comfortable to wear for the whole night, ensuring high sleeping quality. Special gift: You can send these earplugs to wives, girlfriends, seniors, colleagues, etc, on birthdays, Christmas, New Year, and more. Specification: Material: PP, Silicone, Foam. Size: Earplug Storage Case: Approx. 7x3.5cm/ 2.75x1.37 inch. Storage Box: Approx. 8x2cm/ 3.14x0.78 inch. Color: Pink, Yellow, Blue. Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Pair Silicone Eartips. 10 Pieces Foam Earplugs.