costa sunglass parts
Worth a lookShows demand growing +119.0% this quarter, but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Growth
Incredible+119.0%90-day search growth — must beat 0% to launch
Returns
Great1.7%return rate — above 6% kills the launch gate
Conversion
Great7.8%search→purchase rate — share of searches ending in a sale
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Avg price
Okay$11.90avg listing price — sweet spot $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay$8.82–$17.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$140K$140K/yr · 150K searches
Review moat
Bad8,152.09avg incumbent reviews — the moat a new listing must climb
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
4 flat
Sellers
8
Top-5 brand share
100%
Open market
0%
- Costa Del Mar75%
- Pilotfish23%
- Maui Jim1%
- Buyisgle1%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Costa C-Line Retainer Black 20in
Costa Del Mar$10.054.6★8,316 rev
Costa Del Mar Sunglasses and Glasses Strap Costa C-Line Adjustable Retainer Black 20in
Costa Del Mar$14.884.7★2,587 rev
Costa Del Mar Sunglasses and Glasses Strap Costa Bowline Silicone Retainer Black/Blue 19in
Costa Del Mar$12.084.6★3,411 rev
Costa Del Mar Sunglasses and Glasses Strap C-Line Retainer Royal Blue 20 Inches
Costa Del Mar$11.694.6★8,316 rev
Pilotfish No Tail Adjustable Eyewear Retainer Cable Strap: Sunglasses Eyeglasses Glasses (14 Inch Tactical Black)
Pilotfish$11.184.4★17,896 rev
Newest
by launch date
Maui Jim Cablz Sunglass Retainer
Maui Jim$12.49335 rev
Costa Del Mar C-Line Loop Retainer Silver/Black 20 In
Costa Del Mar$15.1497 rev
Buyisgle Eye Glasses Holder Strap - Adjustable Sunglasses Straps Cords for Men Women - Eyeglass Holders Around Neck - Eyewear String Lanyard Retainer -2PCS14in Black
Buyisgle$8.821,847 rev
Pilotfish No Tail Adjustable Eyewear Retainer Cable Strap: Sunglasses Eyeglasses Glasses (14 Inch Blaze Orange)
Pilotfish$11.1517,896 rev
Costa Del Mar Sunglasses and Glasses Strap C-Line Retainer Royal Blue 20 Inches
Costa Del Mar$11.698,316 rev
Trending
90-day click momentum
Pilotfish No Tail Adjustable Eyewear Retainer Cable Strap: Sunglasses Eyeglasses Glasses (14 Inch The Original)
Pilotfish$11.474.4★
Pilotfish No Tail Adjustable Eyewear Retainer Cable Strap: Sunglasses Eyeglasses Glasses (16 Inch Gunmetal Gray)
Pilotfish$11.194.4★
Pilotfish No Tail Adjustable Eyewear Retainer Cable Strap: Sunglasses Eyeglasses Glasses (14 Inch Original 2-Pack)
Pilotfish$17.914.4★
Pilotfish No Tail Adjustable Eyewear Retainer Cable Strap: Sunglasses Eyeglasses Glasses (14 Inch Blaze Orange)
Pilotfish$11.154.4★
Costa Del Mar Sunglasses and Glasses Strap C-Line Retainer Mint 20 Inches
Costa Del Mar$11.364.6★
Demand
Weekly Amazon search volume, last 41 weeks — +119.0% search growth over the last 90 days.Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Good Quality, Secure strap for Glasses”
“Great Fit”
“As shown in picture”
“its easy to adjust”
“Well Worth The Price”
“Light and comfortable”
“Simple and effective”
“it feels sturdy”
“They don't break”
“doesn't fall off”
What buyers complain about
“to short”
“Break easily”
“Disappointing quality control”
“Uncomfortable”
“not very comfortable”
“Didn't work for me”
“It is only a 10.00 dollar item”
“the cable is a little too stiff”
“Advertisement says two but only received one”
“Kept slipping off”