You can bend them, twist them and even sit on them and the frame will still retain its original shape. Our bendable (memoflex, flexi, twisty, bendy) glasses are made of an advanced composite metal containing titanium. These glasses are flexible durable and extremely light, but not unbreakable. All bendable glasses come with prescription lenses, a free hard case and cloth. Buy bendable glasses online today from ispectacle and save over 60% off high street opticians prices.