Bathrooms, exteriors, or anywhere moisture is a concern
and a simple profile is appropriate.
The plastic polymers in this product won’t warp or rot, no matter how wet it gets.
way PVC is made limits profile options and precludes ornate designs altogether; its slick surface is difficult to paint neatly, but it needs paint in order to cover the plastic sheen.
(1) Gossen's medium plain ogee, about $4,
(2) Gossen's small plain ogee, about $2; both through Nelstek