Lenses: Polycarbonate Frame: Polycarbonate Spring hinges Both the frame and lenses are durable. Simple, slim, and inexpensive reading glasses. Unless otherwise specified, the color in the image and the diopter strength in the title will be sent via simple, quick packaging, shipping from Kanagawa Prefecture on the same day. In addition to the listed product, the following variations are available: Colors: Red & Black, Blue & Black Diopter strengths: +1.0, +1.5, +2.0, +2.5, +3.0, +3.5, +4.0, +4.5, +5.0 No need to check stock, just specify in the comments. Different diopter strengths can also be specified. Discounts are available for multiple purchases: 2 pairs: 1400 yen 3 pairs: 2000 yen 4 pairs: 2500 yen You can order with different diopter strengths and colors. We can also offer combined shipping with "The Reading Glasses" products at a reduced price. Please feel free to contact us with your requests when purchasing. We will accommodate your requests by changing the title and price or creating a dedicated listing. We sell various low-cost reading glasses on various sites. Search for "The Reading Glasses" to find a variety of reading glasses. It should be a lot of fun! Please give it a try.