Feature1. Made of high-quality rubber, our tires are thick and strong, ensuring long-lasting durability and wear resistance. 2. Our anti-slip tires feature a serration that improves traction and prevents skidding on hardwood floors, making your sweeper more efficient and effective. 3. No tools or disassembly required - simply remove the old tire and slide the new one into place for easy installation. 4. Save money and time by replacing your worn tires with more affordable anti-slip tires Model Number: for braava 380 380T 320 mint5200 Material: rubber color: black Package Contents: 12 x Anti-Slip Caster Tires Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.