EXCLUSIVE AT NET-A-PORTER. Jennifer Behr's set of seven hair slides can be worn altogether, as seen on our model, or just a few at a time. They’re handmade from silver-tone metal and set with sparkling Swarovski crystals. Responsible Craftsmanship. This product promotes artisanal skills and a brand that invests in communities and adheres to fair-trade principles. Find out more about our NET SUSTAIN criteria here.