36mm, Gun IP Case with Navy Daiquiri 07123 Studded Leather Strap and Gun IP Sunray Dial. Be the girl at the rock show. The BFFL features a 36mm gunmetal ion-plated stainless steel case and 3-hand gunmetal-toned sunray dial with stick markers. Its navy daiquiri leather guitar strap is sprinkled with round and pyramid-shaped studs, Rebecca Minkoff through and through.