Attention: The lifespan of the eraser sponge depends on the surfaces it's used on and how it's used. Works like an eraser and it's normal if debris falls apart after use. If you rub very hard, the sponge is more likely to break. Easy to Use: After each use, pls don't knead the sponge, just rinse the washing sponge with water, the water molecules will enter the nanopore structure, and the absorbed dirt and grim will automatically come out. Physical decontamination can better protect our environment. Eco-friendly Non-Scratch Sponges : No more abrasive or corrosive cleaners are needed with this eraser sponge. Simply wet with water, squeeze and wipe, and easily lift away scuffs and grime without damaging goods. Multipurpose Sponge for House Cleaning: This magic sponge is a must-have for household cleaning! Great for tough kitchen messes, cookware, stove oil stains, dishes, sinks, walls, bathrooms, bathtubs, doors, floors, leather sofas, shoes, and more. Also tested can erase crayon marks, marker pen stains, and even rust. 2X Compressed Durable Melamine Sponge:Made of premium high-density and extra durable 2X compressed melamine foam. Reusable Sponges are more flexible and do not easy to fall apart, providing long-lasting cleaning power. The large sponge(each one is 10x7x2CM) can be cut into any shape to suit your chores.