The type I bought 5-6 years ago (and love) are no longer available, but these look very much like them. They are very reliable, have a good seal, dishwasher safe etc.

https://www.amazon.com/bayidun-Condiment-Squeeze-Bottles-Condiments/dp/B0BQ27C3GV/ref=sr\_1\_16?crid=29ZU9CFIHVGR3&keywords=ketchup+bottle&qid=1684425205&sprefix=ketchup+bottle%2Caps%2C118&sr=8-16