HIGH-QUALITY GROUT BRUSH: The grout cleaner brush is made of high quality plastic resin; Sturdy handle, Won't breaking. Premium PET fiber bristles, So grout brush has good resistance to bending. Bristles do not wear out or deform even with intensive daily cleaning^ GROUT BRUSH FOR FLOORS:The bristle of scrubbing brush is stiff enough to powers away tough grime from bathroom shower floor lines, tile joints and more. This bathroom scrubber has 4 rows of bristles, which also fit for cleaning large area floors and tile, allows you to be more efficient^ SHOWER SCRUBBER FOR CLEANING: Plus the bristle not super hard so won't scratch most bathtub/tile/floors surfaces. Shower cleaning brush removes grime and soap scum from shower/bathtub/faucets, leaving them sparkling and free from smears and marks^ EASY TO CLEAN: As you know people always frustrating when they use unprofessional brushes to clean the bathroom, it spends a lot of time and energy. This ergonomic design shower scrubber, Curved shape handle is more suitable for grasping, you never really have to exert a lot of pressure to get things clean. Plus it is comfortable to use without getting pains in your hands or arms from the effort^ VERY WORTH TO BUY: If you really wanted your grout to look as good as it did when it was new, this grout brush help take cleaning to the next level, It gets the shower nice and clean with not having to scrub like a crazy person.