This acrylic sunglasses/mask necklace chain has 4 purposes: a mask chain w/a replaceable metal clip, a sunglasses strap, a bracelet or necklace. It features 2 adjustable end silicone loops or metal clip to protect your sunglasses or mask from slipping off. Remove the loops or clips for it to become a fashion acrylic chain necklace. It's not only a eyeglass or face mask chain holder, but also a great and fashionable decorative accessory for a birthday or Christmas present for any woman.