Are these straps adjustable? I know that it says that thay are in the info, but some reviews say that they aren't.

No they're not adjustable. The ends attach to the sun glasses and the cord hangs behind your neck as it. Nothing to adjust.

What is the difference between C-line and C-mono?

It's the material the strap is made of, the mono is made of monofilament the c-line is a rubber coated material

Hi Marie,The retainer is about 18 inches long. It is much shorter than most retainers, it is made to fit closely as some people don't like their sunglasses to hang too low. Please keep in mind that the strap has a breakaway feature to prevent strangulation, much like a cat collar therefore has no warranty privileges. It is an awesome super light weight strap and honestly most people love them, just beware not to yank on the glasses or you will snap off the end.I hope this was helpfulEJ's SunglassesAuthorized Costa del Mar dealer

This add is deceiving, picture in add indicates 16" length, after placing in cart, item then lists as 13" ultra thin retainer? Need 16" or longer ???

Hello, The strap from end to end is 20" EJ's

Costa Del Mar Unisex Adult C Line Retainer Leash Pack

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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MX$1037

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Sold byAmazon MexicoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🕶️ Never lose your shades, always keep your cool.

SECURE YOUR STYLE - Ultrathin 20" coated wire keeps your sunglasses exactly where you want them—no slips, no drops.
FEATHERLIGHT COMFORT - Experience barely-there wear with a flexible, lightweight design that won’t weigh you down during your busiest days.
DISCREET MINIMALIST - Sleek, low-profile retainer with a subtle logo bead—effortlessly stylish without shouting for attention.
EASY CARE LONG LASTING - Simple hand wash maintenance keeps your retainer fresh and ready for every adventure.
UNIVERSAL COMPATIBILITY - Seamlessly pairs with all Costa sunglasses, making it the perfect everyday essential for your eyewear collection.

The Costa Del Mar C-Line Retainer Leash is a 20-inch ultrathin, lightweight coated wire strap designed to securely hold all Costa sunglasses. Crafted from 100% silicone, it offers a minimalist, flexible fit that ensures your eyewear stays put on and off the water. Easy to maintain and universally compatible, it’s the perfect accessory for professionals who demand both style and function.

Specifications

ASIN	B0058V584O
ASIN	B0G18B8PWP
Age Range Description	adults
Best Sellers Rank	#436,712 in Fashion ( See Top 100 in Fashion ) #124 in Men's Eyeglass Chains & Lanyards
Brand Name	Costa Del Mar
Color	Black
Customer Reviews	4.7 4.7 out of 5 stars (7,739)
Customer reviews	4.7 4.7 out of 5 stars (7,739)
Date First Available	20 December 2019
Department	unisex-adult
Fastener Type	Snap
Garment Size Country	United Arab Emirates
Global Trade Identification Number	00097963476874
Included Components	cloth
Item Type Name	Leash
Item Weight	8 g
Item model number	A6S0003KT
Manufacturer	Pro-Motion Distributing - Direct
Manufacturer	Pro-Motion Distributing - Direct
Manufacturer Part Number	CE-11
Material Type	Metal
Package Dimensions	25.4 x 25.4 x 2.54 cm; 425.24 g
Pattern	Solid
Size	20 Inch
Style Name	Classic
Style Number	A6S0003KT
UPC	097963663892 799475042683 097963476874
Unit Count	1 Count

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