Will these fit Costa Bloke ?

They should. Our Switchback retainers have 2 different openings, one for smaller ends and one for regular/larger ends.

Chums Switchback Retainer | Desertcart Mongolia

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

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181122 ₮

Duties & taxes included

In stock

Sold byAmazon MongoliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Mongolia.

Secure transaction

Description

🕶️ Keep your vision sharp and your style sharper with the Switchback Retainer!

FEATHERLIGHT COMFORT - At just half an ounce, it’s barely there—no irritation, just seamless all-day wear.
EFFORTLESS MAINTENANCE - Wipe clean after any adventure—dirt, moisture, and grime don’t stand a chance.
ADVENTURE READY DURABILITY - Crafted from premium silicone that resists UV rays, corrosion, and the elements—perfect for water and outdoor enthusiasts.
LIFETIME WARRANTY ASSURANCE - Trusted since 1983, backed by a lifetime warranty to keep your eyewear safe for life.
UNIVERSAL FIT FOR EVERY FRAME - Dual attachment ports ensure your glasses stay secure, whether wire or bulky frames.

The Chums Switchback Retainer is a sleek, one-piece molded silicone eyewear strap designed to fit all frame sizes with dual attachment ports. Lightweight at 0.5 oz and UV plus corrosion resistant, it’s built for durability and comfort during any outdoor activity. Backed by a lifetime warranty, it ensures your glasses stay secure and accessible no matter where your day takes you.

Specifications

ASIN	B07GKWJ5S6
ASIN	B07GKWJ5S6
Age Range Description	Adult
Best Sellers Rank	#369,856 in Clothing & Accessories ( See Top 100 in Clothing & Accessories ) #4,279 in Men's Sunglasses
Brand Name	Chums
Colour	Black/Smoke Fades
Customer Reviews	4.5 4.5 out of 5 stars (613)
Date First Available	13 January 2020
Department	Unisex Adult
Fastener Type	loop
Garment Size Country	India
Generic Name	Eyewear Retainer
Item Dimensions	10.2 x 15.2 x 2.5 Centimeters
Item Dimensions LxWxH	10.2 x 15.2 x 2.5 Centimeters
Item Type Name	Eyewear Retainer
Item Weight	0.5 Ounces
Item Weight	14.2 g
Item model number	12308885
Manufacturer	Chums
Manufacturer	Chums
Manufacturer Part Number	12308199
Material Type	Silicone
Net Quantity	1.00 Count
Occasion description	Birthday, Christmas, Concert, Hanukkah
Pattern	Solid
Product Dimensions	10.16 x 15.24 x 2.54 cm; 14.17 g
Size	One Size
Style Name	Modern
Style Number	12308885
UPC	093039845612
Unit Count	1.00 Count
number-of-items	1

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

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The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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181122 ₮

Duties & taxes included

In stock

Sold byAmazon MongoliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Mongolia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

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