Description: KEEPOW Steam Pocket Mop for Shark Series S3501 S3601 S3901 S3550 Features: 1. Inner mesh underlay: allows for steam to flow outward easily 2. Steam activated microfibers: Loosen and lift dirt and grime 3. Cleans: for all hard-floor surfaces with the power of steam 4. Velcro fastener: With elastic opening ensures a perfectly snug fit Specification: Color: White Material: 70% polyester, 30% polyamide Approximate measurements: 12.6" x 6.7" Fits the models: Shark Vacuum S3501, S3601, S3901,S3550 Instruction: Put the steam mop pad on the shark head, and then put the Velcro close.When clean furniture, household appliance ,floor and so on, you should be use a wet pad, can not use a dry pad, because it is not easy to clean dry pad with dirty. Package includes: 8xSteam Mop Pads for Shark Kindly Note: This is not a Shark®Original product and is not covered under any Shark®warranty. The Shark®brand name and logo are the registered trademark of the respective owner. Any use of the Shark®brand name, model or part designation for this product is made solely for purposes of demonstrating compatibility.