Perfect fit: A silicone eye cup and adjustable strap offers enough stretch while also keeping these goggles snug on the face. Kid size: the silicone strap adjusts between 9.5” to 15.5” for heads of all sizes. Under the See: the anti-fog, pc lenses also offer UV protection for Sunny swimming conditions. Shine on: sparkly rhinestones Bedazzle these goggles, outlining eyes in swim-friendly bling.