The 4" corner roller is a high quality 100% microfiber fabric mini roll.||Mini rollers are great for corners and tight places. They don’t shed fibers as much.||Rollers will not leave lint on the wall.No fuzz, no dripping and they lay down an even paint.||Rollers for trimming out walls, ceilings and doors.||Used for small repairs and in tight spots.||The 4" corner roller is a high quality 100% microfiber fabric mini roll.||Mini rollers are great for corners and tight places. They don’t shed fibers as much.||Rollers will not leave lint on the wall.No fuzz, no dripping and they lay down an even paint.||Rollers for trimming out walls, ceilings and doors.||Used for small repairs and in tight spots.||Good quality and a fantastic price!view less