Although I am not familiar with Halfords, I have done some research and found that they do indeed sell car seat covers. I have found that they have an extremely large selection of seat covers and you should have no problem finding exactly what you are looking for.
Sheepskin car seat covers are available form car stores and specialists such as Halfords. They can also be bought online from Amazon or Ebay for decent prices.
In the UK, car seat covers can be purchased online or in store at shops such as Halfords. It is possible to reserve the item online and then pick it up in store. Car seat covers are a good idea to preserve the life of the car seat, since children use them for a number of years.
Halfords sells many different car care products. Everything from waxes and polish, shampoo, wheels, ice scrapers, cleaning kits, seat covers, vacuum cleaners etc.
Autozone, Napa Auto Parts, and Kmart all sell Tweety Bird car mats and seat covers, and all three are national chains.
Amazon.com has both the car mats and seat covers separately. They also sell these along with a steering wheel cover, cd covers and keychain for 99$ plus shipping.
One can purchase a car seat for a baby from car stores, such as Halfords. Alternatively, one can purchase a car seat from webpage stores such as Amazon or Ebay.
Halfords is a UK retailer. They sell accessories for cars. They also sell bicycles. If one wants a satellite navigation device for one's car Halfords would be a good place to buy it.
They have fur car seat covers including sheepskin and many other types of seat covers at www.supercheapauto.com. Wal-Mart is a very popular store that has a variety of seat covers at www.walmart.com. You can also find some nice seat covers at www.halfords.com.
If you are looking to find information about child car seat covers, then you can check them out at Billy Ray Dugly's Car Seat Cover shop. They have the best prices.
I am assuming you are talking about the design and yes you can buy custom seat covers for your car. The universal part you are talking about just means the fit will almost fit any car seat.
The first suggestion one gets when searching for car seat covers on a the web is for car seat cover patterns. There are endless pattern possibilities when buying car seat covers.
Stores such as Target, Walmart, Toys R Us, Babies R Us, Kohls, and Kmart sell baby car seat covers. Online sources include Etsy, which specializes in unique looking covers, and Buy Buy Baby.