This product is NOT one size fits all. Generally speaking it's for medium to large size eyeglass frames. If it's your first time buying this product, please read our Keepons Fitting Guide which will take you through the process of measuring your eyeglass temple tip width and temple bend width. Without measuring, there's a strong chance that this product may not fit your glasses. Measuring takes about 2 minutes. Once done, you'll then be shown a lookup chart of all the Keepons styles that are compatible with your measurements.
- Hole Width of Fitting Insert: 1mm (0.0394")
- Unstretched Hole Width for Variance Pro Black: 3mm (0.1181")
- Unstretched Hole Width for Variance Gray: 3mm (0.1181")
- Max Stretched Hole Width for Variance Pro Black: 8mm (0.3150")
- Max Stretched Hole Width for Variance Gray: 6mm (0.2362")
- Hook Length for Variance Pro Black: 28mm (1.1024")
- Hook Length for Variance Gray: 12mm (0.4724")
- Material: Silicone Blend
- Stretchiness: Very stretchy (not stretchy / stretchy / very stretchy)*
- Color: Black/Gray
- Shipping: 2-4 weeks (ships from China), shipping charges for your country is added at checkout.
*The stretchier a product, the easier it is to put on and remove.