Transform optical frames into sunglasses with new clip-on technology. Made from colorful bio-based materials, RY1644C securely wraps around the front of RY1644 (not included and sold separately). The result is a stable, dual-purpose structure, without the use of magnets. An innovative, safe and fun accessory for kids. Each pair of Ray-Ban kids clip-on sun lenses feature with 100% UV protection coating, to protect kid's eyes from harmful UV rays. Ray-Ban Junior eyewear sold by authorized sellers, like Amazon, are eligible for all manufacturer warranties and guarantees. Click on the Ray-Ban link above the product title to shop the entire Ray-Ban sunglass and eyeglass assortment.