Ergonomic Design: Our special patented oval ear tips are ergonomically designed to optimally fit the ear canal, conforming to the ear cavity for maximum comfort and helping to provide a fit secure for effective block noise reduction for proper fit. The upper is designed with special grooves, easy to pinch, perfect for side sleeping, snoring, studying, working, etc. Lightweight and comfortable. ULTRA COMFORTABLE: Ergonomic triple strap earbuds are made of soft, lightweight material for a comfortable fit that stays in place even when you're a side sleeper. Beyond comfort, it lets in the desired sounds (like an alarm clock) while avoiding annoying noises. Reusable and reusable. Washable: Comes with a sturdy plastic case to keep your sleep headphones safe and clean whether you're at home or traveling. Washable and reusable, wash regularly with warm soapy water for long term use. Multiple Occasions: Noise Canceling Earplugs, these multi-purpose earplugs are guaranteed to protect your hearing from noise, perfect for sleeping, snoring, swimming, studying, shooting, air travel, activities noisy, concerts, motorcycles, etc. Note: The data is all manual measurement, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, depending on the physical object received Delivery quantity: (according to the main image)