Features: The use of silk wool inner core filling increases the thickness of the thickened cotton pad, providing a comfortable cushion and cushioning effect when encountering vibration. 3D spine protections ergonomics, protecting the spine with a comfortable wrapping feeling, moderate softness and hardness, and truly sedentary without fatigue. Four layers of thickened fabric provide warmth and travel protections, while thickened filling provides anti slip and warmth protections, making the fabric more comfortable. Adjustable seat belt hole design, suitable for three point and 5-slots hole seat belt stroller dining chairs, baby will not slide down when sitting. The universal design pair multiple car models and is suitable for various car models and scenarios, including various handcarts, safety seats, children's dining chairs, etc. Specifications: Material: Polyester Fiber Color: Light Gray, Yellow(optional) Size: Approx. 70x44cm/27.55x17.32" Package Includes: 1x Baby Stroller Cushion note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.