Key Chain Boys Briefs with Car Patterns on them are totally cute and comfortable. Made with a covered elastic waistband which is great for not irritating sensitive skin. These are made to last a long time. They run pretty true to size. They have a good fit by the crotch as opposed to some brands that are too big in the crotch. Key Chain boys car print briefs. These are made from cotton and have a covered waistband. They have a great fit and are adorable. The car pattern will be either the one in the photo or one that's very similar.Please note that the car pattern will either look exactly like the ones in the photo or similar.