Pediatrician recommended, because our baby and kids' sunglasses block 100% of UV rays! These sturdy shades are impact and shatter resistant, with polycarbonate lenses and a stretchy neoprene strap that ensures they stay put. The pinch-proof glasses frame is such high quality; it's approved for use with kids' prescription lenses. Infant fits up to up to 24 months. Toddler fits 2 yrs. to 5 yrs. A OneStepAhead Exclusive!For more information, click here.