Silkena ergonomic pillow features a unique butterfly shape and hollow design that perfectly fits the natural curves of the neck and shoulders, relieving neck pain effectively. The thickened ARC cervical traction zone enhances comfort, aligns the neck and spine optimally, and supports cervical stretching/relaxation ideal for office workers or those with neck discomfort. Enjoy gentle neck pampering while sleeping. Our cervical pillow is made from CertiPUR/Oeko-Tex certified premium memory foam safe and eco-friendly. It maintains consistency regardless of temperature, avoiding flattening, warping, or density loss. The 5-second rebound feature adapts quickly to head/neck weight and shape, providing gentle yet firm support for all sleeping positions.