The Book Club "Harlots Bed" Cat-Eye Blue Light Reading Glasses - Deep PurpleEye 51 Bridge 21 Temple 143 Recyclable and BPA free material Harlot's bed is a positive and playful statement frame. The oversize styling in a lustrous dark purple is an easy wear, with it's flexible, recyclable bpa free material providing comfort and good feels. Available in ready to go magnifications if you require reading glasses and blue screen lens options which cuts up to 30% of blue light emitted from digital devices.