Although unused, it has been opened. Thank you for your understanding. Product Description Manufacturer: Kyoei Product Name: Liston Snighter Features: 1. Simply wet the wall with water and scrub with "Snighter" to remove dirt! 2. Ideal for cleaning mag-tiles and upper back surfaces! 3. 50 times more durable than pumice-type products! 4. Little shavings are produced during use, making cleaning easy! Safe and harmless without chemicals Excellent durability! For spot cleaning Can also remove rust Also effective for: Rust on stainless steel hairline, stuck-on seals Primer, tile efflorescence, grout dirt Fish grill exhaust ports, burnt-on food and dirt inside microwave ovens! Recommended points: 1. Does not scratch porcelain tiles commonly used for exterior walls. 2. Can remove dirt equivalent to strong acidic cleaners, but is recommended for spot cleaning due to its small size. 3. Removes dirt that remains like a frame after chemical cleaning of tiles. 4. Quickly removes attached paint and mortar. 5. Recommended for site supervisors. 6. Safe and secure. Size: Approx. 80mm x 32mm x 18mm Material: Natural rubber, alumina Removable dirt: Black stains, rust, efflorescence Effectiveness and impact on materials: Porcelain: ◎ (Be careful of losing shine) Unglazed: ◎ Brick-like: ◎ Luster: ○ (Be careful of losing shine) Neo Paris: × Rough stone: ◎ Mirror stone: × Marble: × Panel: × Glass: ×