Contains 12" x 3/4" diameter jumbo mini roller cover frame & a 4-1/2" x 3/8" white dove jumbo mini roller cover. Frame fits all jumbo mini roller covers. For all paints & finishes on semi smooth surfaces. Ergonomic comfort grip. Contains 12" x 3/4" diameter jumbo mini roller cover frame & a 4-1/2" x 3/8" white dove jumbo mini roller cover Frame fits all jumbo mini roller covers For all paints & finishes on semi smooth surfaces Ergonomic comfort grip.