This Opaque Bra Is Crafted From A Smooth Nylon Blend For A Soft, Seamless Feel. Adjustable Shoulder Straps Adjustable Back Strap With Dual Hook-And-Eye Closure Color/Pattern: Black Material: 62% Nylon, 38% Elastane Care Instructions: Hand Wash Imported Please Note: Depending On Cup Size, The Number Of Back Clasps May Vary For Additional Support.