For inspection and service: Place the seat in the pond of the Western-style toilet, and then discharge the stool and flush it to the toilet. For toilets with automatic cleaning function and water-saving toilets, please turn off the power before use. For Pet Toilets: Place the flash sheet on top of the pet toilet, and flush the toilet immediately after exhausting. For infant omals: place the flashsheet on the toddler puddle and flush it into the toilet after exhaust. For elderly people who require care: Place a sheet on top of the opal and flush it into the toilet after exhaust. For Male Toilets: If your man stands on a western toilet before urination, place the flashsheet in the western toilet pond, then flush it into the toilet after use. Please note: The flash sheet is designed to dissolve in floating water, so please flush it into the toilet immediately after use. *Please do not use the flash seat to keep water out and contact with wet hands before use.