Made of glass cabochon with printed paper. Size is 15mm (about 0.59 inches) There are 20 styles, you will receive 100pcs (50 pairs) There is a transparent clear backing film on the glass cabochon flat side, you need to peel it off and stick. Easy and simple to use. The printed eyes has a lot of details and vivid , You can pretty much put eyeballs on anything and it will "come to life" .Use your imagination! It's fun to make new friends in your house, office, school. The adhesive it's strong and easy to use. It will gives you lots of fun by putting this self adhesive googy's everywhere you go.e.g One banana , Great for DIY project play and will bring you lots of laugh. 100PCS 15mm Self Adhesive Dragon Animal Eye Googly Wiggle Eyes for DIY Craft Sticker School Classroom Arts Crafts Decoration