• Breathable Mesh.
• Mesh padded seat cushion with 2 fans keeps baby cool and provides constant air circulation.
• Surrounding wind, 3 levels of wind speed adjustment, baby travels for a long time without boredom or crying - Summer comfort, heat rash reduction.
• Made from polyester material, the innovative 4-layer structure is cool, breathable, soft and contains just the right amount of thickness and firmness to provide comfort for babies while keeping their backs dry. This seat liner is durable and machine washable, so it is very easy to keep clean.
• You can power it from most USB powered devices, such as desktop computers, power bank, USB chargers, car adapters, etc. 5V safe voltage, 1m long switch cable.
• (NO FREE POWER BANK) The battery pack must have 2A, 10W or more output, otherwise it will not work.
• This toddler stroller or car seat cooling liner is simple and lightweight, and the removable design makes it easy to clean. The tightly wrapped edges are strong and durable, and gentle on your baby's sensitive skin. This safe liner provides relaxing comfort and support to help keep your child cool and dry. 
•  Perfect size for almost all strollers, car seats, baby baskets, and dining chairs.