Adjustable Strap: The adjustable strap of kids goggles can be quickly adjusted to suit any size with a slight pull through the side buckle. The elastic head strap can stretch strongly without breaking and extremely suit kid's different head size. Wide HD Vision: Our kids googles for swimming is used high-performance polycarbonate high-definition lenses with 180-degree peripheral visionto provide them wide vision. These kids googles for swimming can ensure kids a more comfortable swimming experience, and reduce visual fatigue. Soft Silicone Seals: Soft memory silicone gasket and Ergonomic design used on the kids swim goggles and also create double-seal, ensure a snug fit on different face shapes with extra length and fixing clip, which is comfortable to wear. Nose bridge of our toddler goggles can be folded 360 and will not leave indentation on the child's nose bridge. Anti-Fog & UV Protection: The swimming goggles' inner lenses are coated with the latest anti-fog treatment to let your children see clearly underwater without blurring or distortion. The lenses reflect sunlight and block uv rays to provide kids a comfortable and agreeable wearing experience. Convenience for kids both indoor and outdoor swimming. (NOTE: Do not touch the lenses inside surface by hands or any sharp tools, or it will damage the lenses, damage fog function) Package Included & Reassuring After-Sales: 1Pack Childrens Swimming Goggles with a Mesh Bag, Nose Clip x 1, Ear Plugs x 1 Pairs, which are wrapped in exquisite boxes. We believe the safety and durability of our swimming goggles, as same as you unswervingly chose our products. Please feel free to email us with any questions.