Description: It is comfortable for you to sleep by using this neck pillow because it is designed with U shape, which can make you snooze without sore neck and shoulders. This neck pillow use adjustable hoodie locks to meet the needs of different shoulder widths and face shapes, which can bring you excellent wearing experience. Made of memory foam and flannel, it has good elasticity and is comfortable to use. The length of this neck pillow is 24cm, the width is 26cm, and the height is 10cm. It is compatible for office, driving, travel, cervical spine sub-healthy people, sleeping. Item Name: Neck Pillow Material: Flannel,Memory Cotton Batteries: Style B/C: Built-in 2000mAh Rechargeable Battery(Included) Rated Voltage: 3V Power: 5W Timing Function: 10 Min Size Details: Size: 24cm x 26cm x 10cm/9.45" x 10.24" x 3.94" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. The style B and style C has built-in rechargeable battery, style A does not have. Package Includes: 1 x Neck Pillow