Happy House Pink Pig Seat Belt Cover. Seat belts can be fun, fashionable, and comfortable for your kids with these adorable pink piggy seat belt covers! They are made of 100% polyester, the pigs are stuffed with polyfill, and the covers secure to the seat belt with velcro. They are easily removable, and are machine washable in cold water. They measure 6 1/4 inches tall, 9 1/2 inches wide, and are sure to brighten your child`s day while reminding them that safety comes first.