NATURE CLEAN Toilet Bowl Cleaner Strips are eco-friendly and biodegradeable.  Scented with essential oils of fresh lime.  Throw in one strip dark side down directly into toilet bowl.  Dissolves in 30 seconds.  Stir, brush, & flush.  No more plastic.  Ergonomic and light weight for all bodies & abilities.  Superior cleaning and good for sceptic tanks.   Made without hydrochloric acid and harmful substances.  Hypoallergenic.  Biodegradable.  Chlorine-Free.  Free of synthetic perfumes.  Plastic-Free. Vegan & Cruelty Free.  Gluten-Free.  Septic Tank and Grey Water Safe.