Children's car sleeping pillow: This children's sleeping pillow is made of high-quality velvet material, comfortable and breathable, not stuffy, filled with PP cotton, soft and thick, suitable for children over 3 years old. H-shaped curve design: The pillow features an H-shaped curve design that helps support the child's body and reduces movement during travel. It includes a safety buckle to help maintain a stable sitting posture and provide neck support for more comfortable rest. Large curvature design: The curved shape helps avoid pressure on the child's legs, promoting peaceful sleep and reducing discomfort. The pillow is designed for stability and comfort during car rides. Suitable for most vehicles: The pillow is easy to install and remove, offering comfort and safety for children during travel. Adults can also use it. Comfortable neck support: The car headrest pillow features an H-shaped design that reduces neck strain and provides head support for a more comfortable experience. Color: As shown. Material: Polyester fibers + cotton. Size: 21.65 x 27.55 inches (55 x 70 cm). Package includes: 1 x Kid neck pillow, 1 x Kid headrest pillow. Note: Light reflection and different displays may cause slight variations in color. Measurement error allowance: +/- 1-3 cm.