SonicSeal - ClearArmor's exclusive sound technology provides better protection to save your hearing. Comfortable, premium quality, lightweight, super soft ear ring foam for maximum long wear comfort. No pad adds 1/2 inch to adjustment to fit all head sizes. . . Industrial grade. . Engineered to last Compact folding design for efficient storage. . . Snug reliable fit to keep our muffs on your head. 2 Pack - ANSI S3.19 & CE 521 Tested Certified. . . Over head ear muff, perfect fit swivel cup design igh-Performance Hearing Protection – Noise Reduction Ear Muffs Protect your hearing in noisy environments with our over-the-head earmuffs, designed for comfort and durability. Certified Noise Reduction: Independently tested to meet ANSI S3.19 (American National Standards Institute) and CE EN 352.1 (European Standard) standards for hearing protection. Durable Industrial Design: Built with a solid single-cup design and dual-layer foam for dependable performance in challenging conditions. Custom Fit for All-Day Comfort: Features a flexible headband with 1¼" vertical adjustment on both sides, plus swivel cups that adapt to different head shapes and sizes. Compact & Portable: Foldable design allows for easy storage and transport. Soft Foam Cushions: Designed for a secure seal and enhanced comfort, even during extended use. Customer Support: If you experience any issues, Amazon’s return policy ensures you can request a return or replacement in accordance with their guidelines.