The retention ring makes so much easier to install our hubcaps. You just need to snap it into the wheel. These will fit 15 factory Steel Wheels, be sure to check your tire/wheel size.Same car models came w/ different wheel options (alloy or steel), and different sizes. WHEN CHECKING YOUR TIRE SIZE, DO NOT MEASURE THE HUBCAP, IT WILL GIVE A LARGER SIZE THAN NEEDED. FOR THE CORRECT SIZE IT GOES BY THE TIRE SIZE. CHECK THE SIDEWALL OF YOUR TIRE FOR A SERIES OF #'S LIKE: P225/60/R16. THE R16 IN THE EXAMPLE IS THE HUBCAP/TIRE/WHEEL SIZE YOU NEED TO ORDER THE CORRECT SIZE. If there is any delay, it may be caused by bad weather or custom inspection. We try our best to make you get desired products as soon as possible. We are not responsible for wrong or undeliverable address. You pay us what you see on the order screen, i. We care about our valued customers and understand the concerns and frustrations you might have, and will try our best to resolve the issues. Thanks in advance for your patience! During the duty time , we can give you a quick respond. If we are out of work , please kindly be patient and considerable to give us a little more time. The item "15 Silver Set of 4 Wheel Covers Snap On full Hub Caps fit R15 Tire & Steel Rim" is in sale since Sunday, June 30, 2019. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Wheels, Tires & Parts\Hub Caps". The seller is "pf2008" and is located in University Place,WA . This item can be shipped to United States.