LEAK PROOF GLASSES: These children's swimming goggles are made of soft silicone lined for optimal comfort and to prevent leaks. The thick, strong rubber seal protects your eyes from chlorine and other chemicals found in swimming pools. Your eyes are also safe from dirt, debris and bacteria, preventing eye irritation and bleeding. They are suitable for diving, triathlons and as children's synchronized swimming goggles. ADJUSTABLE FOR CHILDREN: The children's swimming goggles come with 3 nose bridges of different sizes. You can adjust the length of the nose bridge so that the children's diving goggles adapt to their size. Additionally, the goggles have an adjustable head strap to make it bigger or smaller and fits most head sizes. These children's swimming goggles are perfect for competitive or recreational swimmers. UV PROTECTION LENSES: These colorful and reflective children's diving goggles have polycarbonate lenses. These children's swimming goggles are solid, do not crack and protect against UV rays. This protection prevents any eye damage from the sun's rays and also reduces brightness and glare and improves the swimming experience outdoors or under pool lights. STORAGE CASE AND ANTI -FOG : The lenses of the children's diving goggles have an anti-fog coating that lasts for at least 10 hours of swimming. A protective case is also included to store your glasses when not in use. This ensures a long life for your swimming goggles and protects the lenses from scratches when indoors or attached to your swim bag. Warning! Contains natural rubber latex. Contains silicone. Not suitable for children under three years old. Choking hazard.