Try on

ER0302412 | Sing TR90 Bayonetta Glasses for Optical Narrow Rectangle Slim Frames

ELKLOOK EYEGLASSES
Front view of Sing rectangle tr90 eyeglasses ER0302412 in black
Angle view of Sing rectangle tr90 eyeglasses ER0302412 in black
Side view of Sing rectangle tr90 eyeglasses ER0302412 in black
Back view of Sing rectangle tr90 eyeglasses ER0302412 in black
End piece detail of Sing rectangle tr90 eyeglasses ER0302412 in black
ELKLOOK EYEGLASSES
ELKLOOK EYEGLASSES
ELKLOOK EYEGLASSES
Rectangle Red Glasses
Front view of Sing rectangle tr90 eyeglasses ER0302412 in red
Angle view of Sing rectangle tr90 eyeglasses ER0302412 in red
Side view of Sing rectangle tr90 eyeglasses ER0302412 in red
Back view of Sing rectangle tr90 eyeglasses ER0302412 in red
Front view of Sing rectangle tr90 eyeglasses ER0302412 in black red
Angle view of Sing rectangle tr90 eyeglasses ER0302412 in black red
Side view of Sing rectangle tr90 eyeglasses ER0302412 in black red
Back view of Sing rectangle tr90 eyeglasses ER0302412 in black red
Integrated nose pad detail of Sing rectangle tr90 eyeglasses ER0302412 in black red
ELKLOOK EYEGLASSES
Front view of Sing rectangle tr90 eyeglasses ER0302412 in green
Angle view of Sing rectangle tr90 eyeglasses ER0302412 in green
Side view of Sing rectangle tr90 eyeglasses ER0302412 in green
Back view of Sing rectangle tr90 eyeglasses ER0302412 in green
Front folded view of Sing rectangle tr90 eyeglasses ER0302412 in green
End piece detail of Sing rectangle tr90 eyeglasses ER0302412 in green
Hinge detail of Sing rectangle tr90 eyeglasses ER0302412 in green
Integrated nose pad detail of Sing rectangle tr90 eyeglasses ER0302412 in green
Front view of Sing rectangle tr90 eyeglasses ER0302412 in yellow
Angle view of Sing rectangle tr90 eyeglasses ER0302412 in yellow
Side view of Sing rectangle tr90 eyeglasses ER0302412 in yellow
Back view of Sing rectangle tr90 eyeglasses ER0302412 in yellow
Front folded view of Sing rectangle tr90 eyeglasses ER0302412 in yellow
End piece detail of Sing rectangle tr90 eyeglasses ER0302412 in yellow
Hinge detail of Sing rectangle tr90 eyeglasses ER0302412 in yellow
Integrated nose pad detail of Sing rectangle tr90 eyeglasses ER0302412 in yellow
Angle view of Sing rectangle tr90 eyeglasses ER0302412 in beige
Front view of Sing rectangle tr90 eyeglasses ER0302412 in beige
Side view of Sing rectangle tr90 eyeglasses ER0302412 in beige
Back view of Sing rectangle tr90 eyeglasses ER0302412 in beige
Front folded view of Sing rectangle tr90 eyeglasses ER0302412 in beige
End piece detail of Sing rectangle tr90 eyeglasses ER0302412 in beige
Hinge detail of Sing rectangle tr90 eyeglasses ER0302412 in beige
Integrated nose pad detail of Sing rectangle tr90 eyeglasses ER0302412 in beige
ELKLOOK EYEGLASSES
Front view of Sing rectangle tr90 eyeglasses ER0302412 in black
Black
Front view of Sing rectangle tr90 eyeglasses ER0302412 in red
Front view of Sing rectangle tr90 eyeglasses ER0302412 in black red
Front view of Sing rectangle tr90 eyeglasses ER0302412 in green
Front view of Sing rectangle tr90 eyeglasses ER0302412 in yellow
Front view of Sing rectangle tr90 eyeglasses ER0302412 in beige
Office Siren Glassesweekly bestsellerrate 5 stars
$19.99$19.99
ELKLOOK EYEGLASSES4*Interest-free
ELKLOOK EYEGLASSESWorry-free delivery™
ELKLOOK EYEGLASSES1-Year Warranty
ELKLOOK EYEGLASSES30-Day Promise
ELKLOOK EYEGLASSES30-Day Returns
Transparent cost breakdown of premium materials and design. Figures are approximate.
ELKLOOK EYEGLASSES
  • Size & Details | Wide
  • Reviews (0)
  • Frame Selection Guide
  • Shipping & Returns
  • FAQ
Here are the three standard sizes we offer at ELKLOOK. Each size is associated with the width of the frame itself.
ELKLOOK EYEGLASSESHow to Measure Own Face Width
ELKLOOK EYEGLASSESHow to Measure PD
SizeFrame Width (mm)
Narrow≤128mm
Medium129-138mm
Wide≥139mm
ELKLOOK EYEGLASSES50mm23mm27mm128mm19.5mm132mm
  • SKU : ER0302412
  • Shape : Rectangle
  • Weight : 11.9g
  • Frame size : Medium
  • Material : TR90
  • Spring hinge : NO
01 | About Decentration Amount (LDA)
ELKLOOK EYEGLASSES
Formula: (ab-PD)/2 =LDA
LDA = 0：Perfect fit ; 0 < LDA < 3mm：Ideal range; 3mm ≤ LDA ≤ 5mm：Acceptable; LDA > 5mm：Not recommended
02 | About Decentration Amount (LDA)
ELKLOOK EYEGLASSES
Ideal Lens Height ≥ 36mm
Full access to the progressive zone for wider vision.
Minimum Lens Height ≥ 18mm
Ensures basic progressive zone usability.
03 | High Prescription ( ≥ -6.00 ) Frame Advice
ELKLOOK EYEGLASSES
Avoid oversized frames
Reduce lens weight and nose bridge pressure.
ELKLOOK EYEGLASSES
Avoid rimless frames
Prevent thick lens edges (opt for small semi-rim or full-rim frames).
04 | Low Prescription (≤ -1.00 ) Refractive Index Guide
Opt for 1.56 / 1.60 index for better value and lightness.
ELKLOOK EYEGLASSES
Not recommended High index 1.67 / 1.74：
Poor cost-effectiveness – minimal thickness difference.
ELKLOOK EYEGLASSES
05 | Prescription Help: Upload & Let Us Handle It!
▶ Unsure how to fill prescription data
▶ Worry about input errors
▶ Find the process tedious
What to do：Upload a photo of your prescription during checkout – our experts will fill it in/correct it for you!
06 | Material Tips for Metal Allergy Sufferers - Recommended
ELKLOOK EYEGLASSES
TR90: Ideal for sensitive skin
Ultra-lightweight, durable nylon-based.
ELKLOOK EYEGLASSES
Acetate: Hypoallergenic, skin-friendly
Natural resin-based acetate and available in diverse stylish designs.
Avoid：Frames made of metal alloys (e.g., nickel, copper) to prevent contact dermatitis.
ELKLOOK EYEGLASSES
Shipment & Return
We offer free shipping if your order is over US$69. Also we offer Express Shipping which typically delivers within 5-7 days after shipment.
  • Refund policy
  • 1A 365-day warranty is provided, covering manufacturing defects,excluding damage from accidents, neglect, or improper care.
  • 230-Day return & exchange: Products can be returned, exchanged, or refunded within 30 days.
  • 330-Day Price Guarantee: The Price Difference will be refunded to you If the product(s) is/are cheaper on ELKLOOK within 30 days when you place an order(s).
    • Compatible Lenses & Coating
    Progressive-ready
    Progressive-ready
    Photochromic-ready
    Photochromic-ready
    Reading-ready
    Reading-ready
    Fits Color tint
    Fits Color tint
    Standard
    Standard 2-in-1coating
    Sunny day
    Sunny day 3-in-1coating
    Digital screen
    Digital screen 5-in-1 coating
    Driving lenses
    Driving lenses 6-in-1 coating
    Compatible accessories & eye care items
    Reviews
    Review Now
    5.0
    All (36) Images (11)
    Featured
    D***sDec. 23, 2025
    5.0
    I ordered these as my first pair of prescription glasses and they fit perfectly right out of the box. Super comfortable for all-day wear.
    ELKLOOK EYEGLASSES
    K***sDec. 22, 2025
    5.0
    I’m already planning to order another pair just to keep at the office. Simple, comfortable, and reliable.
    ELKLOOK EYEGLASSES
    B***rDec. 18, 2025
    5.0
    These don’t try to be trendy, which I actually love. Clean lines, easy to match with anything.
    ELKLOOK EYEGLASSES
    • 1
    • 2
    • 3
    • 4
    • 5
    • 6
    • 12

    FIND YOUR VIBE

    Discover frames that make a statement

    Shop By Design
    Shop By Design
    Shop By Style
    Shop By Style
    Shop by Face Shape
    Shop by Face Shape
    Shop by Frame Shape
    Shop by Frame Shape
    Shop by Material
    Shop by Material
    Shop by Color
    Shop by Color

    Discover Your Next Favorite Pair

    Join our style community and get early access to new collections, exclusive offers, and eyewear trends shaping tomorrow.

    Need Help?

    Track OrderReturn & RefundWholesaleContact Us

    Service@elklook.com

    Tel/WhatsApp: +1 (513) 472-1641

    Wholesale WhatsApp: +1 (323) 404-6593