Our stroller cushions are designed for most high chair models on the market. Do more for several models of high chair models. The size of the seat cushion: the top is 41cm long and the bottom is 31cm long. Upper width: 48cm, less than 37cm wide. Our high chair cushion is more than enough cotton filling filling, 2 inches thick, and the filling material is 200 grams thicker, more soft and more comfortable. The slipper is thicker than other products. Because we are constantly improving the quality of Our products and making sure to provide high quality products for cute babies. The cushion cover is made of cotton and is not slippery, so it is not waterproof. In order to prolong the life of the product, Our seat cushion is more suitable for hand washing, because the pulling force of the washing machine is too great and can therefore be easily damaged. Both straps on the top of Our mat are longer and stronger than others. The 2 straps are 42 cm long and are easier to attach to the back of the chair. The high chair cushion is easy to install and remove. The harness of your high chair and baby cart can be installed through the 5 slots provided by Our seat pad to make your baby more secure. About shlpping: All items will be shlpped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.