Black | urban xplorer sunglasses - classic black lenses Designed by moms with toddlers in mind, we use the latest technology to make these shades super comfortable for your child! Flexible: virtually unbreakable, super lightweight, durable tpee frames Safe: bpa, phthalate, pvc free. Conforms to cpsia standards Polarized: shatter-resistant tac lenses that reduces glare Uv protection: 100% uva uvb sun protection with uv 400 lenses Stay-on strap: each pair comes with a removable and adjustable strap