Environmentally Friendly: The wand is made of environmentally-friendly and odorless ABS and PP plastic materials, and the refill head disposable non-woven sponge. Disposable Sponges: These toilet scrub pad refill heads click onto the toilet and to swish, scrub and clean the toilet bowl and conveniently pop off to throw in the trash. Easy to Install: Easy to install, No need to drill holes, can be placed directly on the ground or equipped with no trace of adhesive, installed on the bathroom wall. Deep Cleaning: The round sponge heads clean in hard to reach places under the bowl rim and drain for a deeper and faster clean to remove rust, calcium and lime stains. Toilet bowl set: 16 disposable toilet wand refills heads. Specification: Material:PP+ABS Color classification: white Size? storage box: 14*24cm(5.51*9.45 inch) Package Content: 1PC Toilet Brush Set (16 replacement heads) Note: Due to manual measurement, please allow measurement deviation of 1-2cm. Due to differences between monitors, the picture may not reflect the actual colors of the item. Thank you!