Feature . Thicker lining 1: softer and more comfortable 2: The shoulder strap is 42cm. Longer and stronger 5:Size:the top is 41 cm long and the bottom is 31 cm long. Upper width: 48 cm, bottom width 37 cm. Although there are 2 straps on the top of the mat, you can't rely on them to fix the mat or fix the rest on the high chair. You must wear 5 high chair straps to use it. It will work better. There are 5 notches on the mat, designed for 5-point harnesses. Package Included 1 X twoworld large thickening high chair cushion