Buy The Book Club - Twelve Hungry Bens - Optical (Clay Spruce) at THE ICONIC with Free overnight delivery and Free returns! Australian blue-light blocking eyewear label The Book Club create recyclable, BPA-free optics worked in retro silhouettes from days of yore.- Square, BPA-free plastic reading frames - Non-prescription, blue light blocking lens - Temple Length: 144 - Lens Bridge: 49 20