Description: Made of good material, durable for long time use. ring for Xiaomi M365 battery cover. Although the cover won't let any water in, you can install an additional ring for extra protection. Easy to install and use, lightweight. A practical accessories for Xiaomi M365 electric scooter bottom battery cover. Specification: Material: material Color: Black Size: About 50x9.8cm Package includes: 1pc x ring Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.