I realized I couldn't use the cleaning cup in my home bathtub after assembling it. I will repack the opened cleaning cup and suction cups after reassembling them. This is a bath cleaning device with a high-concentration cleaning cup, boasting 99.9% disinfection power. - Product Name: Hedoro Tornado - Disinfection Power: 99.9% - How to Use: Use the cleaning cup - Cleaning Cup Features: High-concentration cleaning Thank you for viewing.