Size and Dimensions: Size of a Credit Card, about 85x54mm (3x2inch), you can easily put the photo composition tool in your wallet, pocket, or camera bag, and use it anytime you want to take a picture or paint. | Viewfinder For Slides: 3 styles of viewfinder aids to help you view scenes and objects, modify or draw correct proportions, improve layouts, and create pleasing compositions. | High Quality Material: View finder for artists is made of high-quality plastic material, crystal clear, will not blur your vision, help you see the “real” color, 2.5mm thickness, durable, lightweight and portable. | Gifts for Photography Enthusiasts: You can give this golden ratio viewfinder to your friends who love photography on birthdays, anniversaries, graduation ceremonies, parties, which will be a valuable gift to increase your friendship. | Enhance Family Relationship: When you go to the field with your family to take photos, use our viewfinder to take nice photos, discuss the fun of taking photos, relieve vision fatigue, get close to nature, and leave beautiful sweet moments.