Will these stay on my head on a rollercoaster?

I can't answer that question specifically. Some of that will depend on how tight your glasses are without straps. I don't have a large head and with glasses that fit in a fairly standard way, these straps don't provide a particularly snug fit, but they've yet to slip off. I'm used to tight fitting safety glasses that include an elastic strap so I may be the wrong person to ask.

Will these work on gatorz glasses?

It depends entirely on the thickness of the temple tips, what material they are made of, and how clean they are. Check the product info. They state the minimum recommended thickness. You can check the thickness of your temple tips using calipers. Or, you could measure the circumference with string and a ruler and divide by 2pi. The measurement might not be as accurate this way. I found these work best when the temple tips are very clean and dry. After 2 weeks, enough oil from my hair had gotten into the interface between the rubber and the temple tips that they started falling off. After cleaning really well, everything is better. I imagine plastics will hold oil better than metal, but metal might be harder for rubber to grip. I'm not sure. I don't have multiple pairs to experiment with.

Will this fit a 7 year olds glasses?

yes the strap size is adjustable

Do these work on roller coasters?

Yes, I believe thes would work on roller coasters. Your glasses won't come off with these unless you pry them off your head.

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Enenfly Adjustable Glasses Straps - 3 Pack No Tail Eyewear Retainer for Men, Women, Kids – Fits Eyeglasses & Sunglasses

Product ID: 469172506

🎯Fits 7.5-13.5 inch adjustable length

🔒Silicone anti-slip secure ends

🧵Soft, breathable polyester fabric

13801CFA

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Sold byAmazon Cote D' IvoireDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

👓 Never lose your look—secure your style with Enenfly!

EFFORTLESS ON OFF - Quick buckle adjustment and reusable design make daily wear a breeze.
STAY ACTIVE STAY SECURE - Upgraded silicone ends lock your glasses in place during any sport or adventure.
CONFIDENCE BACKED QUALITY - Join 5,000+ happy users with a 4.4-star rating and satisfaction guarantee.
ALL DAY COMFORT ZERO HASSLE - Crafted from soft, breathable polyester that won’t pinch or tangle your hair.
UNIVERSAL FIT FOR EVERY FACE - Adjustable 7.5-13.5 inch strap fits all ages and eyewear styles seamlessly.

Enenfly Adjustable Glasses Straps come in a convenient 3-pack, designed to fit most eyeglasses and sunglasses with an adjustable length from 7.5 to 13.5 inches. Made from soft, breathable polyester and featuring silicone anti-slip ends, these straps ensure comfort and security for men, women, and kids during everyday use or outdoor activities. Highly rated and reusable, they combine practical design with reliable performance.

Specifications

ASIN	B0B975R298
ASIN	B0FX4N37R3
Age Range Description	everyone
Best Sellers Rank	#1,128 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3 in Safety Eyewear Retainers
Brand Name	Enenfly
Color	Black
Compatible Devices	eyewear
Customer Reviews	4.4 4.4 out of 5 stars (5,022)
Date First Available	October 21, 2025
Fastener Type	Buckle
Garment Size Country	United States
Import Designation	Imported
Item Dimensions	3.94 x 3.94 x 1.97 inches
Manufacturer	Enenfly
Manufacturer Part Number	BLACK3
Material Type	Silicone
Number of Items	3
Pattern	Solid
Size	7.5-13.5 inch
Style Name	Modern
Style Number	BLACK3
UPC	768461518242

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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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The delivery time was excellent, and the packaging was secure.

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13801CFA

Duties & taxes included

In stock

Sold byAmazon Cote D' IvoireDelivered 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 Cote D' Ivoire.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

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Excellent communication throughout the order process. Product is perfect.

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