Function : 1. Material: Made of high quality PP and PET materials , safe and environmentally friendly and durable. 2. Performance: quiet in use, wear-resistant for long-term use , exquisite workmanship, practical to replace the old or damaged ones. 3. Installation: Easy to install , open the trunk cover, open the lining zipper, find the bolt position, and take out the bolt and the old wheels, then bolt the new wheel. 4 . Package Content: Comes with multiple screws in the package for installation for your convenience. 5 . High bearing: The wheels are sturdy and have good bearing capacity to support the suitcase and save energy. Specification: Item Type: Luggage Wheels Material:PPPET Color: as shown Application: For luggage suitcase repair and maintenance Weight: Approx. 313g / 11.0oz Product model: A60 model wheel Package List: 2 x circle 9 x screw