1 Size 15 inches long at the top and 11 inches at the bottom Upper width 185 inches and width less than 138 inches Please use our size to determine if it is suitable for your high chair and avoid buying an unsuitable seat cushion Our cushions are easy to wipe after a childs meal It is easy to wipe off the food It is easy to wipe off Easy to clean The food will not get dirty its great 2Our cushions are suitable for most of the highchairs on the market There may be a small number of highchairs that cannot be used Please combine our descriptions and pictures to choose the high chair that suits youThank youis suitable for hand washing because the pulling force of the washing machine is too great and the seat cushion is easily damaged 3If you are not sure if our cushions are suitable for your home high chair please use Customer questions answers to consult other customers who have already purchased our cushions or consult us we will respond to customers in the first time ask the question 4 The cushion is oxford cloth will be a little slippery if you mind please be careful to buy However the two straps on the top of the mat have been optimized to stretch to 177 inches After tightening the strap fasten the high chair for a safer safer and safer baby If the baby seat you received is not a long strip please refund it immediately Because you are likely to buy fakes 5Since our seat cushion is made of oxford cloth Oxford cloth is waterproof so it may not feel very soft to touch a bit like plastic However the waterproof function of Oxford cloth can well prevent children from eating during the meal and sprinkle the soup on the cushion to wet the seat cushion It will be a bit smooth please buy it if you mind Because it is not cotton but Oxford cloth