Universal Size: Standard 5 point harness or 3 point harness, The hole is reserved at the waist and bottom to fit the exit of the trolley belts, suitable for the installation of various trolley seats.dimension:33x72CM(12.9x28.3 inches). Soft Cotton Stroller Cushion: The seat liner is made of 100% cotton, soft, comfortable, sweat-absorbent and breathable.The padding are thickened to ensure the child's comfortable experience. Application:According to the height of the baby, different holes at the backrest are used to fix the belt, which is easy to use and more firmly fixed.(Both Sides Available) Washable & Durable: Compact edge wrapping process, can be used for a long time.This cushion is great for keeping your stroller clean and hygienic, you can wash it by hand or put it in the washing machine for reuse. Add Comfort to Your Baby's Stroller- Your baby should be comfortable and cradled with only the best when riding the stroller! Our stroller liner is extremely breathable .keep infant or toddler baby comfortable.