[Perfect Compatibility] The replacement mop pads are perfectly compatible with for A9 . Any use of the name or model name is intended solely to demonstrate compatibility of this product. [ Package] This package come with 6 pieces of high quality mop pads. Washable and reusable, the cleaning power not decrease after each wash. With a long service life, economical and . It is a cost-effective choice to supplement the mop pads for your Q S robot vacuum. The installation method of the mopping pad is the same as the original one, which is easy to install and easy to use. [Powerful Mop Pads]Upgraded version for A9 mop pads, Ultra-thick mop, super-strong water lock, more even water output, 99.99% removal of stubborn stains, including ketchup, floating ash, fruit juice, soy sauce, shoe prints, 24-hour coffee stains, 72-hour coffee stains, carpet hair, rice, milk, etc. [Newest Upgraded Mop Pads]Three-layer structure design, which holds more dust and locks water. Each layer performs its own