Waterproof Head Strap Camera Mount Head Helmets Fitted Adjustable Nylon Straps Works for Gopro Hero Camera 4 3+ 3 2 1<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Strap Size: Measures 6 to 7 inches in diameter; stretches to 12 inches in diameter (1 Year warranty) </span></li><li><span class="a-list-item"> Strap Material: Adjustable nylon straps with non-slip rubber inserts; poly carbonate buckles </span></li><li><span class="a-list-item"> Compatibility: Aperfect Waterproof head-strap camera mount that works for Gopro Hero Camera 4 3+ 3 2 1 </span></li><li><span class="a-list-item"> Wide Application: One size fits all; fits directly on head or over most helmets </span></li><li><span class="a-list-item"> Ideal Strap Mount: Ideal for hands-free filming when you want a point-of-view angle </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51S7dXSY0UL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51w8kI32pOL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51%2BO2j7qQ-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/418vbn3eRfL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51TPWZSaauL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51j1XNRFS1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51S1KXrPY7L.jpg" noproxy>