It can fit Z87, Z88 mops.

• Durable: LThe microfiber pad can be washed up to 100 times, saving money and reducing waste.
• Powerful Cleaning: Thick microfiber pad penetrates deep into cracks and crevices to pick up 50% more dirt than traditional window cleaner.
• Easy to replace:The pad connects to the mop head with a card slot for easy installation and replacement.