Sleep in style with this silk pillowcase and scrunchie set, designed to support skin hydration, smooth hair, and enhance your natural radiance—all while you rest. Sleep in style with this silk pillowcase and scrunchie set, designed to support skin hydration, smooth hair, and enhance your natural radiance—all while you rest. Proudly Australian and family-owned, Slip is renowned for its luxurious silk pillowcases and beauty products, crafted from the finest quality silk to elevate beauty sleep and minimize friction on skin and hair.