Feature: Comfort: Sponge earplugs are made of soft materials and will not cause discomfort even when worn for a long time, suitable for various sizes of ear holes. Sound insulation effect: Sponge earplugs can effectively block external noise, allowing users to maintain quietness in various environments, suitable for quiet occasions such as learning, work, and travel. Easy to carry: Sponge earplugs are small and lightweight, making them very convenient to carry at home, at work, or on the go. Reusable: High quality sponge earplugs can be cleaned and reused, making them more environmentally friendly and cost-effective. Protect hearing: Long term exposure to loud noise can cause damage to hearing. Using sponge earplugs can protect hearing, especially suitable for people who frequently participate in high noise environments such as concerts, nightclub activities, and construction work.  Description: Product name:Ear Plug Material:PU Size:Length 2.2cm/0.87in Color: as picture shown  Package Included: 10/4Pcs Ear Plug  Note: Please note that the photo does not show actual size please refer to Description for size details. Please allow differences due to manual measurement thanks. Due to the difference between different monitors the image may not reflect the actual color of the item.