Our Frame Sizes
| Size Frame | Width(mm) |
| Narrow | <128mm |
| Medium | 129mm - 138mm |
| Wide | ≥139mm |
We suggest you measure your frame dimensions to make sure your new glasses correctly fit your face.
Frame Width
Frame Width is the measurement horizontally across the back of the frame.
Lens Width
Lens Width is the width of each lens at its widest point.
Lens Height
Lens Height is the vertical distance of the lens at its tallest point. If you want to order progressive, the lens height of the frame should be at least 33mm.
Bridge Width
Bridge Width is the shortest distance (in millimeters) between your two lenses.
Temple Length
Temple Length is the length of the temple to its temple tip, including the bend that sits on your ear.
Due to the different measurements methods, the measurements printed on the inside of the temple arm may vary from those showing on our website.

Product description
The BLSY Eyeglasses feature a classic rectangular frame with a modern design suitable for both men and women. Made from durable, lightweight material, these black frames offer comfortable all-day wear. Perfect for everyday use, office work, or casual outings, they combine practicality with timeless style.
Frame Details
Shape: Rectangle
Material: Durable lightweight frame
Color: Black
Temple Color: Matching black finish
Included in the Box
Original BLSY frame
Protective case
Keep it sleek with the BLSY premium Eyeglasses—shop now.
