The Plastic handle is sturdy and thick enough to withstand heavy scrubbing. And it's long enough (9 inches) to keep your hands away the dirt Microfiber brush head is thin and flat (5mm high), perfect for cleaning any hard-to-get tight crevice, narrow tiny corner The crevice cleaner is highly absorbent, can dry scrub the surfaces dirt, crumbs. Or add water or cleaner to scrub stubborn accumulated dirt 60pcs crevice cleaning tools last you a long time. It can be throw away after use, or rinse with water and continue to use As a disposable toilet brush to clean seat hinges. or crack and crevice cleaner to brush the door window tracks, vent corver, fan, deck crevice, keyboard, sink fauce gaps, baseboards, humidifier small spaces