Innovative 3D broad bean massage technology: Butterfly Needle polyester neck pillow adopts advanced 3D broad bean design to accurately fit the neck curve. Each massage bean gently presses pressure points, effectively relieving neck pressure and promoting blood circulation, allowing you to enjoy professional neck care while resting.Elastic polyester fabric: The selection of high-quality polyester fiber materials, combined with precision knitting process, not only to ensure the pillow soft and comfortable, but also has excellent air permeability and durability. Even if used for a long time, it still retains its shape and is not easy to deform, providing continuous and stable support for your cervical spine.Scientific neck support design: Designed for the health of the cervical spine, the butterfly structure follows the ergonomic principle, the cervical spine is fully wrapped, whether lying on the back or on the side, can ensure that the cervical spine is in the natural physiological arc, prevent and improve cervical spine problems, so that you feel relaxed when you wake up, away from the morning neck stiffness.Multi-functional family application: It is not only an ideal night sleep companion, but also suitable as a neck support pad during reading and office breaks, fully meeting the different needs of family members.Easy to clean and maintain: Considering the convenience of daily cleaning, the pillow core needs to be used with a pillowcase to keep it hygienic and clean. The polyester fiber material is also meant to dry quickly, reduce bacterial growth, keep the pillow fresh and healthy for a long time, and protect your quality sleep.Pillow shape: butterflyPillow core height: 7CMPillow core fabric: polyester fiberFiller: Polyester fiberSize:30 x 50cm/11.81x19.69 inches40 x 60cm/15.75x23.62 inchesQuantity: 1pcs,2pcs