Sepia Steampunk Goggles are 5" wide and each lens is 2". It holds on the head with an adjustable rubber strap that the extended version is 12", and the shorter version is 7". These glasses are ideal for playing dress up, pretend play, and for Halloween costume accessories, etc. They can be put on to top hats for a Victorian mens look. To complete the costume, you would need vintage clothing including a long coat, spats, a top hat with these goggles on it, and a walking stick. They are also great for a costume box for kids at home or in school.