Soft Scrub 4-in-1 Toilet Care cleans your toilet bowl and prevents future build-up. Use Soft Scrub 4-in-1 rim hangers to fight toilet ring and freshen for up to 4 weeks. Each Soft Scrub 4-in-1 rim hanger has a fragrance boost to give a boost of freshness to the last flush. Directions: 1. For best results, clean toilet bowl thoroughly. 2. Take cube out of package. Do not remove protective wrap on cube (it is water soluble). 3. Remove lid from toilet tank and flush. When water is low, drop cube in tank near side wall away from water valve opening on bottom. 4. Wait 10 minutes before flushing again. Note: Once the water is no longer blue, cube is gone. *Each cube lasts up to 4 weeks. This package contains 2 rim hanger in Soft Scrub's Alpine Fresh scent. Warning: Eye and skin irritant. Harmful if swallowed. Avoid contact with eyes and skin. Do not ingest. First aid: Eyes/skin — For eye contact, hold eye open and rinse slowly and gently with water for at least 15 minutes. Seek medical attention if irritation develops. If swallowed, call a doctor immediately. Keep children and pets away from product.