Features:
Material: Adopting environmentally friendly acrylicmaterials, light transmittance of 95%, light weight, insulation, transparency,
normal temperature is not suitable for deformation and so on. 
Biconvex Design: Professional biconvex design, which is clearer, more stereoscopic and more realistic, can give you much better virtual reality experience.
Application: High light transmission, can be used as a magnifying glass, 3D glasses lens.
4 Sizes Available: About 25mm, 33.5mm, 37mm, 42mm and you can chose that you need.
Replacement Parts: They are a good accessory for your 3D glasses, can be used for replacing the old or broken lens.

Specifications:
Item type: biconvex lens
Material: acrylic
Color: transparent
Shape: biconvex
Diameter: about 25mm, 33.5mm, 37mm, 42mm
Suitable for: for Google Cardboard

Package includes: 
10pcs x biconvex lens

Notes: 
Transition: 1cm=10mm=0.39inch 
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 
2. Please allow 1-3cm measuring deviation due to manual measurement.