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

🔒Anti-fall silicone secure grip

🧵Soft, breathable polyester fabric

€ 17.74

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Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

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

ECO FRIENDLY REUSABLE - Hand washable and durable, these straps are designed for repeated use, combining sustainability with style.
UNIVERSAL FIT FOR EVERY FACE - Adjustable length from 7.5 to 13.5 inches ensures a perfect, slip-free fit for men, women, and kids alike.
ULTIMATE COMFORT ALL DAY LONG - Crafted from high-elastic polyester fabric that’s soft, breathable, and hair-friendly—no more irritation or tightness.
SECURE HOLD WITH ANTI DROP DESIGN - Silicone ends wrap temples tightly, keeping your glasses safe during any activity, from hiking to cycling.
VERSATILE 3 PACK FOR EVERY OCCASION - Three sleek black straps ready to match your daily glasses, sunglasses, or reading specs—never lose your eyewear again.

Enenfly Adjustable Glasses Straps come in a convenient 3-pack, featuring a no-tail design made from soft, breathable polyester and silicone. Adjustable from 7.5 to 13.5 inches, they fit all ages and eyewear types, providing a secure, comfortable hold for everyday use and outdoor sports. Highly rated and reusable, these straps combine functionality with sleek modern style.

Specifications

ASIN	B0B975R298
Age Range Description	everyone
Best Sellers Rank	#1,825 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #7 in Safety Eyewear Retainers
Brand Name	Enenfly
Care instructions	Hand Wash Only
Color	Black
Compatible Devices	eyewear
Customer Reviews	4.4 out of 5 stars 5,043 Reviews
Fabric type	Silicone & Nylon Rope
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
Origin	Imported
Pattern	Solid
Size	7.5-13.5 inch
Style Name	Modern
Style Number	BLACK3
UPC	768461518242

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€ 17.74

Duties & taxes included

In stock

Sold byAmazon ItalyDelivered 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 Italy.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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