High-concerned chemical: None - This pillow is crafted without the use of harmful chemicals, ensuring a safe and healthy sleep environment. Perfect for those with sensitive skin or allergies, it offers peace of mind and comfort throughout the night. Shape: Round with Big Ear Hole - Specifically designed for ear piercing sleepers, this pillow features a round shape with a large ear hole to prevent pressure on the ears. Ideal for individuals suffering from chondrodermatitis, it promotes healing and comfort. Filling: Hollow Fiber - Filled with hollow fiber, this pillow offers excellent support and comfort. The fiber adapts to your head and neck , providing optimal alignment and relieving pressure points for a restful night's sleep.