Hello hope someone can help me out. The other night a cat got a my seat and made a right mess

Can anybody help me find an old seat for a bmw k100rs '91 (the one without the handles on the seat).

Since this seat has already been changed in it's shape, I'm not sure if a seat cover would fit. Here in Italy I can't find either
a complete seat or a seat cover, and the ones I do find are a right mess.

Thanks for any help