Pit Vipers for babies. The Baby Vipes feature the same UV protective lens as the originals but without the removable parts, eliminating swallow hazard. An adjustable elastic strap and miniature size makes these the perfect Pit Vipers for babies aged 6-9 months. Or older. Or younger. a 100% UV protection lens a Durably designed to be squeezed, thrown, and spit up on a Adjustable retainer strap to fit any size baby a Too big for a baby to swallow Lens: Polycarbonate Light Transmission: 13.2%, CAT 3 100% UVA + UVB Protection BPA free: yes Adjustable Elastic Strap Flexible & Impact Resistant