---
product_id: 1935073
title: "unisex-adult C-line Retainer"
brand: "costa del mar"
price: "KD 5.30"
currency: KWD
in_stock: true
reviews_count: 13
category: "Costa Del Mar"
url: https://www.desertcart.com.kw/products/1935073-unisex-adult-c-line-retainer
store_origin: KW
region: Kuwait
---

# Universal fit for all Costa sunglasses 20-inch ultrathin coated wire Lightweight at just 7.7g unisex-adult C-line Retainer

**Brand:** costa del mar
**Price:** KD 5.30
**Availability:** ✅ In Stock

## Summary

> 🕶️ Keep your shades close, your style closer.

## Quick Answers

- **What is this?** unisex-adult C-line Retainer by costa del mar
- **How much does it cost?** KD 5.30 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/1935073-unisex-adult-c-line-retainer)

## Best For

- costa del mar enthusiasts

## Why This Product

- Trusted costa del mar brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Featherlight Comfort:** Ultra-lightweight silicone material keeps you feeling free, never weighed down
- • **Sleek 20-Inch Design:** Perfect length for secure, stylish wear on and off the water
- • **Durable Snap Fastener:** Reliable snap closure ensures your shades stay put during every adventure
- • **Universal Compatibility:** Seamlessly pairs with every Costa sunglass model for effortless versatility
- • **Minimalist Black Elegance:** Solid black pattern blends professional style with functional simplicity

## Overview

The Costa Del Mar C-Line Retainer is a 20-inch ultrathin, lightweight silicone strap designed to securely hold all Costa sunglasses. Featuring a durable snap fastener and minimalist black design, it offers professional-grade reliability and comfort for active lifestyles both on and off the water.

## Description

Never forget where your sunglasses are again with sunglass retainers from Costa Del Mar. Flexible and lightweight, these minimally designed retainers will ensure your frames stay exactly where you need them. Costa products sold by authorized sellers, like desertcart. Visit the Costa shop by clicking on the brand link above to shop the entire Costa assortment.

Review: High quality and perfect design - The length is a bit shorter, but I like how it keeps my glasses up a bit higher when not wearing them. Great construction. Works perfectly with my Costa glasses.
Review: Good strap - Good strap. Seems to be well constructed. Purchased it to use at work but like it so much I use it all the time.

## Features

- COSTA C-LINE RETAINER: The Costa C-Line retainer features ultrathin, lightweight coated wire with logo bead to make sure your sunglasses stay put, on and off the water.
- From end-to-end, the Costa C-Line Retainer measures 20".
- The Costa C-Line Adjustable Retainer is compatible with all Costa sunglasses.
- VISIT THE COSTA BRAND SHOP: Click on the Costa logo above to view the entire Costa sunglasses and accessories assortment.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0058V584O |
| ASIN  | B0D7Q3Y76Q |
| Brand Name | Costa Del Mar |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (8,227) |
| Date First Available  | June 21, 2024 |
| Department  | mens |
| Fastener Type | Snap |
| Global Trade Identification Number | 00097963476874 |
| Included Components | cloth |
| Item Type Name | Leash |
| Item Weight | 7.71 g |
| Item model number  | A6S0003KT |
| Manufacturer | Pro-Motion Distributing - Direct |
| Manufacturer  | Pro-Motion Distributing - Direct |
| Material Type | Silicone |
| Pattern | Solid |
| Size | 20 Inch |
| Style Name | Costa C-line Retainer |
| UPC | 097963663892 799475042683 097963476874 |
| Unit Count | 1 Count |

## Images

![unisex-adult C-line Retainer - Image 1](https://m.media-amazon.com/images/I/41CHtb--o8L.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: Are these straps adjustable? I know that it says that thay are in the info, but some reviews say that they aren't.**
A: No they're not adjustable. The ends attach to the sun glasses and the cord hangs behind your neck as it. Nothing to adjust.

**Q: What is the difference between C-line and C-mono?**
A: It's the material the strap is made of, the mono is made of monofilament the c-line is a rubber coated material

**Q: How long are they?**
A: 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

**Q: 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 ???**
A: Hello,
The strap from end to end is 20" 
EJ's

## Customer Reviews

### ⭐⭐⭐⭐⭐ High quality and perfect design
*by S***R on August 20, 2025*

The length is a bit shorter, but I like how it keeps my glasses up a bit higher when not wearing them. Great construction. Works perfectly with my Costa glasses.

### ⭐⭐⭐⭐⭐ Good strap
*by D***. on November 2, 2025*

Good strap. Seems to be well constructed. Purchased it to use at work but like it so much I use it all the time.

### ⭐⭐⭐⭐⭐ Good sunglasses holders
*by A***N on February 11, 2026*

Just as described. I have 4 of these now

## Frequently Bought Together

- Costa Del Mar BODY_STRAP Costa C-Line Retainer, Black, 20in
- Costa Del Mar Unisex Adult Bowline Silicone Retainer
- Costa Del Mar unisex-adult Fathom Cord

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**Shop now:** [https://www.desertcart.com.kw/products/1935073-unisex-adult-c-line-retainer](https://www.desertcart.com.kw/products/1935073-unisex-adult-c-line-retainer)

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*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-03-23*