XDcase 4 Pairs Silicone Earplugs with Pressure Relief Holes L / M / S / XS Size

1. Silicone material, durable, non-toxic, no peculiar smell, no irritation to human body, no allergic reaction
2. Wearing soft and comfortable, with stronger sound insulation effect
3. Equipped with a pressure relief hole for a tight fit and enhanced noise reduction.
4. Packed in cardboard to prevent loss.
5. Note: This package only includes earplugs, no other.