Recommend a company for new convertible boot?

https://www.rockauto.com/en/catalog...+v8,1347106,body,convertible+top+boot,1000154. For $153

TMI Convertible Boots 22-7105-2287. For $103

1965-1966 All Makes All Models Parts | MA3463614 | 1965-66 Plymouth Valiant / Signet Gold Convertible Top Boot | Classic Industries For $283

Of course I was only guessing on your specific year, make, model and colors.