Please replace the lenses before use because the letters on one of the lenses can not be removed. 
<br />
<br />TR90 material,flexible and unbreakable
<br />6 different patchwork colors
<br />suitable for 3-10 years old kids
<br />
<br />Lens width:45mm
<br />Lens height:33mm
<br />Bridge width:15mm
<br />Arms length:135mm