Properties: -High quality: These wheels are made of high quality black plastic and rubber, which is durable and suitable compatible most suitcases. -Perfect Design: This bike has a circular 4-hole design which is easy to install and remove. -Good percompatiblemance: the bicycle is light, heat-insulating, heat-insulating, moisture-proof, flame-retardant, practical. - Wide application: This set of wheels is suitable compatible luggage, luggage, luggage, trolleys, etc. These are great compatiblement wheels compatible your luggage. Specifications: Material: rubber, PVC Color: black Wheel width: 1.6cm Wheel diameter: 5cm Function: compatible changing the luggage wheel Package Content: 4 * Luggage Wheels