Convenient toilet tank cleaner packs, easy to use, 35g x 8 packets per box. - Product Name: Toilet Tank Cleaner - Contents: 35g x 5 packets - Instructions: Simply drop the cleaner into the toilet tank. - Package Contents: Individually wrapped cleaner packets I realized after purchasing that my toilet is not a tank type, but rather a built-in type, so I am selling this. Thank you for looking.