1. Color: Grey or white 2. Material: ABS 3. Service time: 100000times 4. MOQ: 10000pcs door Buffer:Color: Grey, white. Other colors are also available if quantity is 50000pcs or more.Main material: ABSApplicability: Cabinet doors, closet doors, drawers, and so onFunction: Close doors softly and avoid the annoying bang from the doors.Service time is 100,000 times