
I've been using 1.5" wheels for many years and find them a bit weak for many materials. Having the entire 2.0 set makes a world of difference! They are comfortable to the touch and there is no distortion in the lens. I have a pair of prescription lenses that cost $1600 and the lens is distorted. So it's a big deal. This set includes 5 glasses, 5 headbands and 5 lenses. I like these straps because they allow you to carry your glasses around without having to wear them all the time or use the clip on the (detachable) carrying case. What I've done with my other goggles that I don't have this strap for is set them up and then occasionally throw them on the ground or look in multiple places to find them. Cleaning towels are slightly larger. than the ones I've been using and this extra stuff is actually very helpful.

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