ABOUT SPECIFICATIONS Product Type: Invisible Elastic Hair Nets Color: Black Gender: Unisex Material: Nylon elastic lace Size: Stretched length is about 20 inches (50 cm) Package Content: 100 * Black hair nets TIP ABOUT USE 1) Open the hairnet gently to avoid damage. 2) Keep away from children. ABOUT SERVICE With our invisible hairnet, your hair is no longer messy. We are devoted to offering good customer experience, if any problem during using, please let me know.