Vinyl briefs in a panties design Full-length, metal zip Padded zip A shiny gem with possibilities for fingering fun! The briefs from Black Level are made entirely out of shiny black vinyl. There is a full-length, padded, metal zip that goes from the front of the waistband to the back of the waistband. The zip can be unzipped quickly for practical and erotic reasons. 100% polyester, polyurethane coating.