Crafted with a smooth, mulberry silk exterior, these hair ties help eliminate damaging friction, clawing, and tugging of traditional hair elastics. About SILKE London After she noticed brittle hairs with split ends on her pillow each morning, a British hair stylist sought the perfect night cap to tame her tresses. That's why she joined forces with her daughter to found SILKE London a line of pure silk hair wraps and bands crafted to end bed head and let you wake to strong and shining locks each morning.