Features: Ergonomically designed with lumbar support to maintain proper sitting position and prevent discomfort during long stroller rides, this cushion features breathable four season fabric for year round comfort. Crafted from premium soft materials and reinforced with alloy components, the cushion provides gentle skin friendly support while ensuring durability through machine washable, removable covers. Ideal for infants and toddler aged 6 months to 3 years, it promotes healthy spinal development during stroller outings, car seat meeting , or indoor activities like highchair dining. Versatile for strollers, prams, shopping carts, and nursery chairs, its airflows optimized design prevents overheating in hot day and retains warmth during walks. The double function design combines orthopedic back support with adaptable positioning, featuring secure straps for easy attachment to most stroller accessories while maintaining portability. Specifications: Component : alloy Size: about 27x18cm/11x7inch Package Includes: 1x Stroller Backrest note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.