Features: Experience individualized comfort with our innovative inflatable earplugs, featuring adjustable air filled design and ergonomic shape for effective noise cancellation during sleep or focus. Crafted from sustainable, allergy resistant plastic, these portable earplugs (3.69cmx1.25cm, 30 40g) maintain shape for sturdy performances and easy portability. Ideal for travelers needing compact sleep solution, students in noisy dorms, professional seeking office concentration, and sensitive ears requiring gentle protections. Blocks disruptive noises like street traffics or loud neighbors in multiple scenarios – perfect for nighttime rest, daytime studying, work environments, and travel adventures. The air pressure customization ensures all day comfort without ear canal pressure, while the nontoxic construction ensures safe extended wear for uninterrupted quiet. Specifications: Component:Plastic Size: Approx.3.69x1.25cm/1.45x0.49inches Package Includes: 1Pair Innovative Sleep Noise Reduction Inflatable Earplugs note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!